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Taxonomy of the genus Natrix Biodiversity of the family Colubridae

Bibliography of the genus
Natrix (Eurasian Keelbacks)

(Reptilia: Serpentes: Colubridae)

Note: In order to limit redundancy, relevant literature indexed in the related bibliographies in the left column may not have been included in this page. For a comprehensive search of literature, these bibliographies should therefore also be consulted.


Natrix in general

Angel, F. 1922. Sur un ophidien melanique de France appartenant au genre Tropidonotus. Bulletin du Muséum National d’Histoire Naturelle (Paris) 1921: 518.

Aprea, G.; Odierna, G.; Capriglione, T.; Caputo, V.; Guarino, F.M. 2000. Analisi cromosomica in tre specie del genere Natrix Dumeril (Reptilia, Squamata). pp. 423-428. In: Giacoma, C. (ed.). Atti I Congresso Nazionale della Societas Herpetologica Italica (Torino, 2-6 Ottobre 1996). [Proceedings of the first National Congress of the Societas Herpetologica Italica (Turin, 2-6 October 1996)]. Museo Regionale di Scienze Naturali, Torino. 821 pp.

Bernini, F.; Candiotto, A.; Nardi, P.A.; Rossi, S.; Razzetti, E. 2006. Reptiles in the diet of a Oncorhynchus mykiss (Osteichthyes: Salmonidae) naturalized population in Piedmont (N Italy). Acta Herpetologica 1(1): 61-63.

Betta, S.C.E. de 1865. Sui serpenti italiani del genere Tropidonotus (Kuhl), osservazioni critiche. Atti Istit. Venet. Sc, Lett. ed Art. 10: 513-542.

Blanc, C.P. 1979. Notes sur les reptiles de Tunisie: 7. Observations sur un serpent bicephale du g. Natrix (Reptilia: Colubridae). Archives de l'Institut Pasteur de Tunis 56(1-2): 81-90.

Clausnitzer, H.J. 1984. Immer mehr Tiere und Pflanzen werden immer seltener. Naturwissenschaften im Unterricht Teil Biologie 32(12): 444-449.

Dubey, S.; Ursenbacher, S.; Schuerch, J.; Golay, J.; Aubert, P.; Dufresnes, C. 2017. A glitch in the Natrix: cryptic presence of alien grass snakes in Switzerland. Herpetology Notes 10: 205-208.

Dubois, A.; Bour, R. 2012. Hyper-validation of five nomina of amphibians and reptiles threatened by senior synonyms or homonyms. Zootaxa 3221: 37-45.

Guicking, D.; Lawson, R.; Joger, U.; Wink, M 2006. Evolution and phylogeny of the genus Natrix (Serpentes: Colubridae). Biological Journal of the Linnean Society 87(1): 127-143.

Gupta, S.N.S. 1969. Indian house sparrow attacks grass snake. Auk 86: 339.

Hafeez, M.A.; Naz, Y.; Asmatullah; Ali, S.S.; Tariq, S. 1999. Comparative morphology of the pineal complex of Lacertilia and Ophidia (Squamata, Reptilia): light and electron microscopic study. Pakistan Journal of Zoology 31(1): 45-63.

Hecht, G. 1930. Systematik, Ausbreitungsgeschichte und Ökologie der europäischen Arten der Gattung Tropidonotus (Kuhl) H. Boie. Mitt. Zool. Mus. Berlin 16: 244-393.

Hoser, R.T. 2012. A review of the taxonomy of the European colubrid snake genera Natrix and Coronella, with the creation of three new monotypic genera (Serpentes: Colubridae). Australasian Journal of Herpetology 12: 58-62.

Josserand, M. 1947. Notules d'herpetologie. II. Observations sur les tropidonotes. Bull. Soc. linn. Lyon 16(1): 13-15.

Kammerer, P. 1909. Die Rolle der Wassernattern (Tropidonotus) an Teichufern. Fischereiztg Neudamm 12: 605-608.

Kindler, C.; Chèvre, M.; Ursenbacher, S.; Böhme, W.; Hille, A.; Jablonski, D.; Vamberger, M.; Fritz, U. 2017. Hybridization patterns in two contact zones of grass snakes reveal a new Central European snake species. Scientific Reports 7: 1-12.

Lantermann, W.; Lantermann, Y. 2010. Wasserschlangen, die (auch) in Baumen leben - Würfelnattern am Pecser See in Ungarn. Elaphe 18(1): 69-73.

Malnate, E.V. 1960. Systematic division and evolution of the colubrid snake genus Natrix, with comments on the subfamily Natricinae. Proceedings of the Academy of Natural Sciences of Philadelphia 112: 41-71.

Mebert, K.; Trapp, B.; Dall'Asta, A.; Velensky, P.; Böhme, W. 2011. Hybrids between Natrix tessellata and N. natrix/maura. Mertensiella 18: 154-156.

Müller, L.; Mertens, R. 1931. Kritische Bemerkungen über die wissenschaftlichen Namen einiger Amphibien und Reptilien Europas [Reply by Hecht 182]. Zoologischer Anzeiger 92(11/12): 289-300.

Murphy, J.C. 1987. Water snakes that you might see around Chicago. Field Museum of Natural History Bulletin 58(3): 11-16.

Peters, W.C.H. 1864. Über einige neue Säugethiere (Mormops, Macrotus, Vesperus, Molossus, Capromys), Amphibien (Plathydactylus, Otocryptis, Euprepes, Ungalia, Dromicus, Tropidonotus, Xenodon, Hylodes), und Fische (Sillago, Sebastes, Channa, Myctophum, Carassius, Barbus,..... Monatsberichte der Königlich Akademie der Wissenschaften zu Berlin 1864(June): 381-399.

Peters, W.C.H. 1869. Über neue Gattung und neue oder weniger bekannte Arten von Amphibien (Eremias, Dicrodon, Euprepes, Lygosoma, Typhlops, Eryx, Rhynchonyx, Elapomorphus, Achalinus, Coronella, Dromicus, Xenopholis, Anoplodipsas, Spilotes, Tropidonotus). Monatsberichte der Königlich Akademie der Wissenschaften zu Berlin 1869(May): 432-445.

Rossman, D.A.; Eberle, W.G. 1977. Partition of the genus Natrix, with preliminary observations on evolutionary trends in natricine snakes. Herpetologica 33(1): 34-43.

Roule, L. 1909. La variation et la specification des Tropidonotus d'Europe. Arch. zool. Paris ser. 5 2: Unpaginated.

Stejneger, L.H. 1936. Types of the amphibian and reptilian genera proposed by Laurenti in 1768. Copeia 1936(3): 133-141.

Stokes, E. 1936. A pet snake [Natrix]. Field 1936(Sept.): 629.

Tinkle, D.W.; Liner, E.A. 1955. Behaviour of Natrix in aggregations. Field & Lab. 23(3-4): 84-87.

Wright, D. 1987. European species of the colubrid genera Coluber, Coronella, Elaphe, Malpolon, and Natrix. pp. 57-58. In: Welch, K.R. Handbook on the maintenance of reptiles in captivity. Krieger, Florida. 156 pp.

Natrix astreptophora

Abaladejo, P.V. 2008. Caso de melanismo en Natrix natrix en el Parque Nacional de Picos de Europa. Boletin de la Asociacion Herpetologica Espanola 19: 38-39.

Arribas, O. 1989. Un nuevo caso de melanismo en Natrix natrix (Linnaeus, 1758) procedente de Fuente De (Santander). Donana Acta Vertebrata 16(2): 299-300.

Busack, S.D.; Salvador, A. 1984. Nuevos datos sobre la distribucion de cuatro epsecies de reptiles en la provincia de Cadiz. Doñana Acta Vertebrata 11(2): 322-325.

Carpentier, C. 1930. Note sur un serpent nouveau pour le Maroc. Bulletin de la Société des Sciences Naturelles et Physiques du Maroc 10(1-6): 19-20.

Diaz, E. 2004. Predacion de culebras de collar Natrix natrix en colonias de avion zapador Riparia riparia. Boletin de la Asociacion Herpetologica Espanola 15(1): 32-33.

Escoriza, D.; Hassine, J.B. 2017. Niche separation among north-west African semi-aquatic reptiles. Hydrobiologia 797(1): 47-56

Fernandez-Cardenete, J.R.; Luzon Ortega, J.M.; Perez-Contreras, J.; Pleguezuelos, J.M.; Tierno de Figueroa, J.M. 2000. Nuevos limites altitudinales para seis especies de herpetos de la peninsula iberica. Boletin de la Asociacion Herpetologica Espanola 11(1): 20-21.

Galan, P.; Ferreiro, R. 2010. [Consumption of an egg batch of Alytes obstetricans by Natrix natrix]. (In Spanish). Boletin de la Asociacion Herpetologica Espanola 21: 35-36.

Garzon, J. 1975. Natrix natrix capturando Leuciscus, Rana y Bufo bufo. Doñana Acta Vertebrata 1(1): 58.

Geniez, P.; Crochet, P.A. 2003. Confirmation de l'existence, en France, de trois taxons meconnus: Alytes obstetricans almogavarii Arntzen & Garcia Paris, 1995 (Amphibia, Discoglossidae), Podarcis hispanica sebastiani (Klemmer, 1964) (Reptilia, Lacertidae) et Natrix natrix astreptophora (Seoane, 1884) (Reptilia, Colubridae). Bulletin de la Societe Herpetologique de France 105: 41-53.

Gonzalez-Miras, E.; Fernandez-Cardenete, J.R.; Garcia-Cardenete, L.; Escoriza, E.; Cruz, E.; Fuentes, J. 2008. Nuevas localidades en el Sureste Iberico y cota maxima peninsular de la culebra de collar (Natrix natrix). Consideraciones sobre su distribucion. Boletin de la Asociacion Herpetologica Espanola 19: 93-98.

Malkmus, R.; Sauer, H. 2013. Totstellen bei Iberischen Ringelnattern. Terraria-Elaphe 2013(44): 72-73.

Meijide, M.; Perez-Melero, J.M. 1994. Nuevos casos de melanismo en Coronella austriaca y Natrix natrix (Ophidia, Colubridae) en el norte de Iberia. Boletin de la Asociacion Herpetologica Espanola 5: 33-36.

Nicolau, S.M. 1956. Anfibios y reptiles de la Pobla de Segur. Pinneos 12(39-42): 45-55.

Pokrant, F.; Kindler, C.; Vamberger, M.; Smith, K.T.; Fritz, U. 2017. Grass snakes (Natrix natrix, N. astreptophora) mimicking cobras display a 'fossil behavior'. Vertebrate Zoology 67(2): 261-269

Soler Massana, J.; Amill Franch, I.; Martinez-Silvestre, A.; Barrull Ventura, J.; Mate Alonso, I. 2006. Nuevos datos de distribucion para 9 especies de reptiles en la Comarca del Priorat (sudoeste de Cataluna). Boletin de la Asociacion Herpetologica Espanola 17(2): 66-73.

Teixeira, J.; Sequeira, F.; Alexandrino, J.; Lima, V.; Cardoso, C.; Fraguas, B.; Goncalves, H.; Magalhaes, C. 1996. Nuevos datos sobre la distribucion de la herpetofauna en Portugal. Boletin de la Asociacion Herpetologica Espanola 7: 8-11.

Valverde, J.A. 1975. N. natrix pescando Phoxinus sp. Doñana Acta Vertebrata 1(1): 58-59.

Natrix helvetica

Anonymous. 1976. The grass snake in Yorkshire. Newsletter Yorks. Nat. Trust Ltd 2(3): Unpaginated.

Anonymous. 1986. Amphibians, reptiles (1984). Devonshire Association for the Advancement of Science Literature and the Arts Report and Transactions 118: 261.

Anonymous. 1986. Snakes campaign 1985. Grass snake survey report. Herpetofauna News 3: 2.

Anonymous. 1988. The distribution of reptiles and amphibians in Sussex. Hastings & East Sussex Naturalist 14(1): 13-25.

Anonymous. 1990. Distribution of reptiles and amphibians in Sussex. Hastings & East Sussex Naturalist 14(3): 6-18.

Anonymous. 1991. Amphibians and reptiles. Worsbrough Country Park Natural History Report 1991: 17.

Aellen, V.; Perret, J.L. 1953. Sur la repartition actuelle des reptiles et amphibiens dans le Canton de Neuchatel. Bull. Soc. neuchatel. Sci. nat. (3) 76: 99-109.

Allen, R. 1996. Native herpetofauna. Rephiberary 226: 3-4.

Appleby, L.G. 1989. Snake in the grass. Country Life (London) 183(16): 257.

Arnold, D.; Woodhead, G. 2007. A melanistic Grass Snake (Natrix natrix helvetica). Herptile 32(1): 36-37.

Avery, R. 1997. Reptiles and amphibians on Mendip. Proceedings of the Bristol Naturalists' Society 55: 55-61.

Bailey, G.J. 1989. Notes on local fauna and flora for 1988. Reptiles. Hastings & East Sussex Naturalist 14(2): 32-33.

Bailey, G.J. 1991. Notes on the local fauna and flora for 1990. Reptiles. Hastings & East Sussex Naturalist 14(4): 17, 41-42.

Beebee, T. 1982. Herpsearching in northern France. British Herpetological Society Bulletin 5: 24-25.

Beebee, T.J.C. 2014. Reptiles and amphibians of a village in Somerset, England. Herpetological Bulletin 128: 16-19.

Beven, G. 1987. Survey of Bookham Common. Forty-fifth year. Progress report for 1986. Reptilia. London Naturalist 66: 160.

Biley, H. 1983. The Moulton Agricultural College Farm wildlife survey. Zoology. Journal of the Northamptonshire Natural History Society & Field Club 38(2): 63.

Billings, D.; Langford, M. 1991. The care and breeding of the grass snake (Natrix natrix helvetica) in captivity. British Herpetological Society Bulletin 36: 39-42.

Blackwell, K. 1998. Mammalian predator of Natrix. British Herpetological Society Bulletin 65: 48.

Blosat, B. 1997. Die Amphibien und Reptilien in der Gemeinde Much (Nordrhein-Westfalen). Zeitschrift für Feldherpetologie 4(1-2): 13-35.

Bowler, L. 1987. The grass snake. Snake Keeper 1(3): 15.

Brady, L. 1998. The current status of reptile and amphibian recording in Kent. Bulletin of the Kent Field Club 43: 94-100.

Bruner, K. 1908. Die Cettische Ringelnatter, Tropidonotus natrix subsp. cettii (Gene). Blätter für Aquarien- und Terrarienkunde (Stuttgart) 16: 3-7.

Buckley, J. 1994. Guidelines for the making of grass snake egg-laying sites. Herps 3.3: 1-2. In: Anonymous. English Nature. Species conservation handbook. English Nature, Peterborough. 459 pp.

Capula, M.; Rugiero, L.; Luiselli, L. 1994. Ecological observations on the Sardinian grass snake, Natrix natrix cetti. Amphibia-Reptilia 15(2): 221-224.

Carter, H.H. 1978. The recorder's report for vertebrates, 1976-77. Reading Naturalist 30: 31-36.

Carter, H.H. 1979. The recorder's report for vertebrates, 1977-1978. Reading Naturalist 31: 26-31.

Carter, H.H. 1983. The recorders report for vertebrates, 1981-82. Reading Naturalist 35: 47-50.

Carter, H.H. 1984. The recorders report for vertebrates, 1982-83. Reading Naturalist 36: 49-53.

Castille, C. 2015. World first hypomelanistic Natrix captive breeding. Herptile 40(1): 15-18.

Cerbo, A.R. di; Ferri, V. 1996. Preliminary data on the ecological observations of the Appennine yellow-bellied toad (Bombina pachypus) in Abruzzo, Central Italy. Naturschutzreport 11(1): 91-99.

Cheung, M.; Gent, T. 1996. Evaluation of refuges for surveying reptile species at two sites in Northamptonshire and Hampshire. English Nature Science 27: 71-99.

Churcheville, H.P. de; Churcheville, T.P. de 1892. Note sur la presence du Tropidonote a collier, variete a deux raies, Tropidonotus natrix, var. bilineata, dans les environs de Nantes. Bull. Soc. Ouest France 2: 35-38.

Clark, M. 1979. The survey of mammals, reptiles and Amphibia in Hertfordshire. Transactions of the Hertfordshire Natural History Society and Field Club 28(2): 9-16.

Clark, M. 1987. The survey of mammals, reptiles and Amphibia in Hertfordshire. Transactions of the Hertfordshire Natural History Society and Field Club 29(8): 382-389.

Cooke, A.S.; Arnold, H.R. 1982. National changes in status of the commoner British amphibians and reptiles before 1974. British Journal of Herpetology 6(6): 206-207.

Coult, T. 1992. The elusive grass snake. Durham Wildlife 1992(May): 10-11.

Coult, T. 1995. The status and distribution of the grass snake (Natrix natrix) in Durham and Northumberland. Vasculum 80(3): 56-62.

Coult, T. 2012. Notes on the grass snake Natrix natrix in the Derwent Valley, County Durham. Herpetological Bulletin 119: 29-33.

Coult, T. 2012. Grass Snake Natrix natrix. Transactions of the Natural History Society of Northumbria 73: 225-227.

Courtois, B.; Kim, A. 2003. Les remparts de Brouage (Charente-Maritime): territoires d'hivernage, de reproduction, d'alimentation et de repos du peuplement ophidien. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 9(3): 289-291.

Cugnasse, J.M. 2001. A propos de la capture d'une couleuvre a collier Natrix natrix par une buse variable Buteo buteo. Nos Oiseaux 48(1)(463): 35-36.

Davies, M. 1973. A double-headed grass snake, Natrix natrix helvetica found at Ladock, Truro, Cornwall. Journal Camborne-Redruth Nat. Hist. Soc. 2(5): 1-2.

Davies, M. 1974. A double-headed grass snake, Natrix natrix helveticus, found at Ladock, Truro, Cornwall. British Journal of Herpetology 5(3): 452-453.

Davies, M. 1996. A case of dicephalism in a specimen of Natrix natrix helvetica found at Winchelsea, nr. Rye, Sussex. British Herpetological Society Bulletin 55: 42.

Davies, P.M.C. 1980. Energetic aspects of cold adaptation in temperate reptiles. Report Cotswold Herpetological Symposium 1979 [1980]: 11-25.

Deaton, R.H. 1986. Lower vertebrate section. Harrogate & District Naturalists' Society Report 1985: 25-28.

Dennis, J. 1980. Reproductive data: the barred grass snake Natrix natrix helvetica. Herptile 5(4): 26-27.

Dolton, D. 1986. The grass snake - candidate for rescue. Dorset Trust for Nature Conservation Newsletter 1986(May): 1p.

Dore, R. 1989. Natrix natrix. pp. 162-163. In: Castanet, J. & Guyetant, R. Atlas de repartition des amphibiens et reptiles de France. Societe Herpetologique de France, Paris. 191 pp.

Dupres, F. 1992. The grass snake, Natrix natrix. Herptile 17(1): 9-11.

Dusgate, D. 1966. Notes on the grass snakes in a wood at Copford. Nat. N.E. Essex [Ann. Rep. Rec. Colchester Distr. nat. Hist. Soc. Fld Club.] 1964/1965: 5-6.

Elliott, A. 2002. Field note: snake in the grass and cock robin. Yorkshire Naturalists Union Bulletin 38: 7.

Forshaw, H. 1997. Zoology section report for 1996. Societe Jersiaise Annual Bulletin 27(1)(122): 31-33.

Forshaw, H. 1998. Zoology section report for 1997. Reptiles and amphibians. Miscellaneous. Societe Jersiaise Annual Bulletin 27(2)(123): 193.

Forshaw, H. 2004. Zoology section report for 2003. Societe Jersiaise Annual Bulletin 28(4): 454-457, 129.

Foster, J. 1997. Conservation of the grass snake. Rephiberary 239: 2-4.

Frazer, D. 1983. Reptiles and amphibians in Britain. Collins, London. 256 pp.

Fritz, U.; Corti, C.; Paeckert, M. 2012. Mitochondrial DNA sequences suggest unexpected phylogenetic position of Corso-Sardinian grass snakes (Natrix cetti) and do not support their species status, with notes on phylogeography and subspecies delineation of grass snakes. Organisms Diversity & Evolution 12(1): 71-80.

Fritz, U.; Kindler, C. 2017. A very European tale – Britain still has only three snake species, but its grass snake is now assigned to another species (Natrix helvetica). Herpetological Bulletin 141: 44-45.

Gale, A.B. 1980. Notes on the local fauna and flora for 1979. Reptiles. Hastings & East Sussex Naturalist 12(5): 165.

Gale, J.A.B. 1981. Notes on the local fauna and flora for 1980. Reptiles. Hastings & East Sussex Naturalist 12(5): 205.

Gale, J.A.B. 1982. Notes on the local flora and fauna for 1981. Reptilia. Hastings & East Sussex Naturalist 13(1): 45-46.

Gale, J.A.B. 1985. Notes on the local fauna and flora for 1984. Reptiles. Hastings & East Sussex Naturalist 13(4): 36-37.

Gent, C.J. 1980. Phenology over 1979. Country-side 24(1): 26-29.

George, A.M. 1989. Reptile report. Journal of the Ruislip and District Natural History Society 27: 39-41.

Gibson, J.A. 1976. Grass snake breeding in the Clyde area. Western Naturalist 5: 113-114.

Gibson, J.A. 1989. Grass snake at Kilbarchan, Renfrewshire. Scottish Naturalist 101: 102.

Giddens, C. 2008. Reptile report 2007. Exmoor Naturalist 34: 59-60.

Gilmour, E.F. 1954. A note on the grass-snake (Natrix natrix helvetica Lacep.). Northw. Nat. N.S. 2: 320.

Gleed-Owen, C. 1994. The stomach contents of a grass snake, Natrix natrix, identified from skeletal remains. British Herpetological Society Bulletin 50: 34-36.

Gleed-Owen, C. 1996. Amphibian remains identified from the gut of a grass snake and a polecat. British Herpetological Society Bulletin 57: 21-23.

Golder, F. 1985. Ein gemeitnsamer Massen-Eiablageplatz von Natrix natrix helvetica (Lacepede, 1789) und Elaphe longissima longissima (Laurenti, 1768) mit Daten über Eizeitigung und Schlupf (Serpentes: Colubridae). Salamandra 21(1): 10-16.

Gramlich, R. 2014. Rabenkrähe fängt Ringelnatter. Terraria-Elaphe 2014(50): 76.

Gregory, P.T. 2004. Sexual dimorphism and allometric size variation in a population of Grass Snakes (Natrix natrix) in southern England. Journal of Herpetology 38(2): 231-240.

Gregory, P.T.; Isaac, L.A. 2004. Food habits of the Grass Snake in Southeastern England: is Natrix natrix a generalist predator? Journal of Herpetology 38(1): 88-95.

Guiller, G.; Legentilhomme, J. 2011. Suivi annuel d'un site de ponte collectif de Natrix natrix (Linnaeus, 1758) (Ophidia, Colubridae) en Loire-Atlantique. Bulletin de la Societe des Sciences Naturelles de l'Ouest de la France 33(2): 69-78.

Guiller, G.; Legentilhomme, J.; Lourdais, O. 2014. Phénologie d’activité d’une communauté de squamates au nord de la Loire-Atlantique. Bulletin de la Societe Herpetologique de France 150: 25-39.

Hall, D.G. 1978. Amphibia and Reptilia in the London area, 1977. Naturalist (London) 57: 91.

Hayman, R.W. 1960. Snakes in a Lightwater garden. Rep. Camberley Nat. Hist. Soc. 1959: 5-7.

Hazelwood, E. 1949. Grass snake eaten by toad. British Journal of Herpetology 1(2): 56.

Heusser, H. 1979. Eine Schlange stellt sich tot. Aquarium (Minden) 13(119): 227-229.

Heusser, H.; Schlumpf, H.U. 1962. Totstellen bei der Barren-Ringelnatter - Natrix natrix helvetica. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 15: 214-218.

Hofer, U.; Wisler, C. 2011. [Habitat utilization and survival of female grass snakes (Natrix natrix helvetica, Lacepede 1789) in an agricultural landscape]. (In German). Mitteilungen der Naturforschenden Gesellschaft in Bern 68: 113-126.

Honegger, R.E. 1959. Beitrag zur Kenntnis der Herpetofauna des Gebiets zwischen Lachen und Nuolen. SZ. Vjschr. Naturf. Ges. Zürich 104: 409-411.

Hopwood, P.E. 1987. Conservation of grass snakes. Part 1. Snake Keeper 1(8): 18, 20.

Hopwood, P.E. 1987. Conservation of grass snakes. Part 2. Snake Keeper 1(9): 13-14.

Howes, C.A. 1986. Barn owls preying on grass snakes - an overlap of shiftworkers. Yorkshire Naturalists Union Bulletin 5: 13-14.

Hyde, J.M. 1982. Blackbird carrying grass snake. British Birds 75(8): 382-383.

International Commission on Zoological Nomenclature 1992. Opinion 1686. Natrix gemonensis Laurenti, 1768 (currently Coluber gemonensis), Coluber viridiflavus Lacepede, 1789 and Coluber helveticus Lacepede, 1789 (currently Natrix natrix helvetica) (Reptilia, Serpentes): specific names conserved. Bulletin of Zoological Nomenclature 49(2): 174-175.

Johnson, M. 1982. Vertebrate zoology. Transactions of the Lincolnshire Naturalists' Union 20(3): 113.

Jones, D. 1978. Reptiles, amphibians and fish. Heritage 70: 15-17.

Jones, D. 1980. Reptiles, amphibians and fish. Heritage 79: 10-12.

Jones, D. 1980. Reptiles, amphibians and fish. Heritage 80: 14.

Jones, D. 1980. Reptiles, amphibians and fish. Heritage 78: 11-13.

Jones, D. 1981. Reptiles, amphibians and fish. Heritage 81: 11-13.

Jones, D. 1983. Reptiles, amphibians and fish. Heritage 90: 10-12.

Jones, D. 1985. Reptiles, amphibians and fish. Heritage 98: 11-13.

Jones, D. 1986. Classified records. Reptiles, amphibians, fish. Heritage 103: 8-9.

Jones, D. 1986. Reptiles, amphibians and fish. Heritage 100: 55-56.

Jones, D. 1991. Reptiles, amphibians and fish. Heritage 122: 10-11.

Jones, D.F. 1981. Reptiles, amphibians and fish. Heritage 83: 9-10.

Jones, D.O. 1978. Reptiles, amphibians and fish. Heritage 72: 14-15.

Jones, D.O. 1979. Reptiles, amphibians and fish. Heritage 74: 10-13.

Jones, D.O. 1979. Reptiles, amphibians and fish. Heritage 75: 10-12.

Kaiser, M. 1992. Eine albinotische Barren-Ringelnatter. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 45(12): 755-756.

Kerautret, L. 1983. Atlas provisoire des amphibiens et des reptiles du Nord et Pas-de-Calais: bilan enquete 1982. Heron 1983(1): 7-12.

Kerautret, L. 1984. Etat d'avancement de l'enquete sur la repartition des amphibiens et reptiles dans le Nord et le Pas de Calais (Bilan 1983). Heron 1984(1): 105-121.

Kindler, C.; Chèvre, M.; Ursenbacher, S.; Böhme, W.; Hille, A.; Jablonski, D.; Vamberger, M.; Fritz, U. 2017. Hybridization patterns in two contact zones of grass snakes reveal a new Central European snake species. Scientific Reports 7: 1-12.

King, P.W. 1983. Amphibia and Reptilia in the London area, 1981 and 1982. London Naturalist 62: 112-115.

Kirk, B.R. 1994. Changes in the distribution of reptiles in the East Riding of Yorkshire. Naturalist (Doncaster) 119(1010): 95-103.

Kirk, H.R.; Wozencroft, J. 2011. Adder and grass snake, Hatfield Moors, August 2008. Thorne & Hatfield Moors Papers 8: 128.

Kirk, P. 1987. Success and failure with grass snake eggs. Snake Keeper 1(12): 13-14.

Kramer, E. 1958. Zur Schlangenfauna des Puschlavs. Revue Suisse de Zoologie 65: 279-284.

Kramer, E. 1959. Die gemeine Ringelnatter Natriz natrix natrix (Linnaeus 1758) und die Barrenringelnatter Natrix natrix helvetica (Lacepede 1789) in der Schweiz. Aquaria (Bern) 6: 29-31.

Kramer, E. 1971. Revalidierte und neue Rassen der europäischen Schlangenfauna. Journal of Integrative Biogeography 1(1): 667-676.

Langton, T. 1991. Distribution and status of reptiles and amphibians in the London area. London Naturalist 70: 97-123.

Lanza, B. 1947. Deserizione di una Natrix natrix helvetica (Lacepede) melanica trovata in Toscana o notizie sulla variazione di colorito da essa presentata durante la muta. Considerazioni sulle bisce dal collare melaniche d'Italia. Natura (Milano) 88(3-4): 73-77.

Lehaie, J.H. de 1922. Contribution a l'étude des moeurs de la couleuvre a collier (Coluber torquatus Morc.) dans le centre de la France. Bull. Nat. Mons. 3(1): 13-16.

Lemoine, G. 1998. Histoire d'une rumeur: la couleuvre a collier, une espece vraisemblablement introduite en Val de Sensee (Nord)! Bulletin de la Societe Herpetologique de France 84: 50-51.

Lester, J.W. 1949. Autumn mating in young grass snakes. British Journal of Herpetology 1(2): 54.

Lester, J.W. 1949. Sexual behaviour of grass snake with hamadryad. British Journal of Herpetology 1(2): 54.

Leutscher, A. 1953. Amphibians and reptiles of the British Isles. 6. Harmless grass and smooth snakes and the shy, but venomous adder. Water Life 8: 307-308.

Lloyd, B. 1936. The distribution of the grass snake in Hertfordshire, with notes on its behaviour. Transactions of the Hertfordshire Natural History Society and Field Club 20(2): 30-40.

Lloyd, B. 1939. Further notes on the grass snake in Hertfordshire. Transactions of the Hertfordshire Natural History Society and Field Club 21(1): 64-66.

Lloyd, B. 1941. Further grass snake records. Transactions of the Hertfordshire Natural History Society and Field Club 214: 277.

Lunghi, E.; Deschandol, F.; Cornago, L.; Cogoni, R. 2017. Dark coloration in Sardinian Grass Snakes (Natrix natrix cetti). Herpetological Bulletin 137: 37-38.

Macfadyen, A. 1952. The small arthropods of a Molinia fen at Cothill. Journal of Animal Ecology 21: 87-117.

Martinot, J.P. 1986. Repartition et statut de protection des amphibiens et reptiles du Parc National de la Vanoise et de sa zone peripherique. Travaux Scientifiques du Parc National de la Vanoise 15: 255-269.

Marven, N. 1987. Herptiles. pp. 47. In: Janes, R. (ed.). The natural history of the Chew Valley. Natural History of Chew Valley, c/o 143 High St, Pensford, Avon, BS18 4BH. 80 pp.

Matheson, C. 1962. An infestation of grass snakes near Swansea. British Journal of Herpetology 3: 33-34.

Meek, R. 2015. Where do snakes cross roads? Habitat associated road crossings and mortalities in a fragmented landscape in western France. Herpetological Journal 25(1): 15-19.

Meekan, R. 2014. Reptile dispersal from a hibernaculum in an agricultural landscape in Western France. Herpetological Bulletin 127: 17-21.

Meister, B.; Ursenbacher, S.; Baur, B. 2012. Frequency of multiple paternity in the grass snake (Natrix natrix). Amphibia-Reptilia 33(2): 308-312.

Mitchell, R. 1985. Grass-snake using tongue as lure when feeding. British Herpetological Society Bulletin 13: 39-40.

Moyes, N.; Branson, R. 1990. The Derbyshire reptile survey: interim report. Herpetofauna News 2(3): 11-14.

Muir, H.H. 1999. Reptiles and amphibians. Bedfordshire Naturalist 53(1): 19.

Muir, H.H.M. 1982. Reptiles and amphibians. Report of the recorder. Bedfordshire Naturalist 36: 37.

Nash, D.J. 2011. Assessment of an established population of atypical grass snakes Natrix natrix in the Aire Valley, UK. Herpetological Bulletin 115: 12-16.

Nicholson, M. 1993. Reptiles & amphibians. Caradon Field & Natural History Club Annual Report 1992: 50.

Phelps, T. 1972. Notes on a population of grass snakes in south Buckinghamshire. Middle-Thames Nat. 24 [1971]: 22-25.

Phelps, T. 2004. Beyond hypothesis - a long term study of British snakes. British Wildlife 15(5): 319-327.

Phelps, T.E. 1978. Seasonal movement of the snakes Coronella austriaca, Vipera berus and Natrix natrix in southern England. British Journal of Herpetology 5(11): 755-761.

Pickett, J. 1986. Notes on the reptiles and amphibians of Epping Forest, past, present and future. British Herpetological Society Bulletin 17: 37-45.

Pottier, G. 2007. Note sur quelques nouveau records d'altitude chez le lezard vert occidental, le lizard agile, le seps strie, la couleuvre verte-et-jaune et la couleuvre a collier dans les Pyrenees ariegeoises. Bulletin de la Societe Herpetologique de France 122: 33-37.

Ratcliffe, J. 1993. Snakes alive! Natterjack (Liverpool) 1993: 4-5.

Reading, C.J.; Davies, J.L. 1996. Predation by grass snakes (Natrix natrix) at a site in southern England. Journal of Zoology (London) 239(1): 73-82.

Reading, C.J.; Jofre, G.M. 2009. Habitat selection and range size of Grass Snakes Natrix natrix in an agricultural landscape in southern England. Amphibia-Reptilia 30(3): 379-388.

Reid, D. 1986. Snakes in the grass. Practical Fishkeeping 1986 (May): 70-71.

Reymond, P. 2005. Une Pie-grieche ecorcheur Lanius collurio femelle capture une Couleuvre a collier Natrix natrix. Nos Oiseaux 52(1)(479): 21-22.

Rivet, F. 1959. Couleuvres et vipères. Bull. Soc. Nat. Oyonnax 12-13: 35-42.

Roding, G.M. 1958. Slangen in Twente. Levende Nat. 61: 82-84.

Ruter, W.; Isenmann, P. 1997. Le monticole bleu Monticola solitarius predateur de la couleuvre a collier Natrix natrix. Alauda 65(3): 228.

Schätti, B.; Stimson, A.F.; Henle, K. 1991. Case 2675. Natrix gemonensis Laurenti, 1768 (currently Coluber gemonensis), Coluber viridiflavus Lacepede, 1789 and Coluber helveticus Lacepede, 1789 (currently Natrix natrix helvetica) (Reptilia, Serpentes): proposed conservation of the specific names. Bulletin of Zoological Nomenclature 48(1): 50-52.

Schneppat, U.; Schmocker, H. 1983. Die Verbreitung der Reptilien im Kanton Graubünden. Ein Bericht über das Reptilienprojekt Graubünden für den Untersuchungszeitraum 1978-1982. Jahresbericht der Naturforschenden Gesellschaft Graubünden N.F. 100: 47-133.

Schroder, H. 1992. Wenn Ringelnattern Frosche fangen... Aquarium (Bornheim) 280: 36-38.

Scotcher, P. 2012. Great Cormorant taking Grass Snake. British Birds 105(2): 101.

Scott, D. 1992. The amphibians and reptiles. Essex Naturalist (London) 11: 155-156.

Segouin, S. 2011. New altitudinal record for the Grass Snake (Natrix natrix Linnaeus, 1758) in Ariege (09) France.]. (In French). Bulletin de la Societe Herpetologique de France 138: 23-25.

Sharp, J.E. 1958. The vertebrates of the Dernford district. pp. 42-44. In: Bishop's Stortford College Natural History Society, Bishop's Stortford. A survey of Dernford Fen, Sawston. 52 pp. 1950-58: 42-44.

Simeon, D. 1986. Contribution a l'atlas des reptiles de Provence. Faune de Provence 7: 11-15.

Skinner, R.V. 1987. Reptiles. Dorset Natural History & Archaeological Society Proceedings 108: 217-218.

Skinner, R.V. 1990. Reptiles. Dorset Natural History & Archaeological Society Proceedings 111: 144-145.

Spellerberg, I.F. 1975. The grass snake in Britain. Oryx 13(2): 179-184.

Spencer, G. 1983. Field notes. Reptiles and amphibia. Nature in Wales 1(2): 83.

Stacey, J. 1974. Classified records. Reptiles, amphibians and fish. Heritage 50: 16-18.

Steel, B.D. 1975. Our scaly friends. Earth 4: 20-21.

Stemmler, O. 1982. Natrix natrix corsa (Hecht), 1930, die korsische Ringelnatter. Aquaria (St. Gallen) 29(3): 42-43.

Stepanek, P. 2009. Stone-curlew feeding on Grass Snake. British Birds 102(9): 511-512.

Tercafs, R.R. 1960. Observations ethologiques sur la couleuvre a collier, Natrix natrix helvetica (Lacepede) (Colubridae). Naturalistes Belges 41: 71-73.

Thorpe, R.S. 1984. Geographic variation in the western grass snake (Natrix natrix helvetica) in relation to hypothesized phylogeny and conventional subspecies. Journal of Zoology (London) 203(3): 345-355.

Tonge, S. 1986. The herpetofauna of Jersey. British Herpetological Society Bulletin 17: 18-21.

Townson, S. 1990. Incubation of grass snake (Natrix natrix helvetica) eggs. British Herpetological Society Bulletin 34: 13-15.

Trepte, M.J. 1993. Kommentkämpfe bei der Barren-Ringelnatter Natrix natrix helvetica Lacepede und der Gelbgrünen Zornnatter Coluber viridiflavus viridiflavus Lacepede. Sauria (Berlin) 15(2): 17-19.

Twissell, C. 1986. Herpetological report for 1985. GNS (Gloucestershire Naturalists' Society) Journal 37(3): 218-219.

Underwood, G. 1949. Scale variation in Natrix natrix helvetica. British Journal of Herpetology 1(2): 54.

Vaughan, R. 2008. An incidence of Natrix natrix helvetica observed in arboreal mating. Herpetological Bulletin 103: 37-40.

Walker, J. 1984. Amphibians and reptiles. Wildlife of Stoke-on-Trent 7: 1-16.

Walter, E.C. 1987. Die Herpetofauna des Regierungsbezirkes Trier. Dendrocopos 14: 154-161.

Walters, G. 1984. Grass snake feeding behaviour. British Herpetological Society Bulletin 10: 57.

Webb, H.M. 1979. Reptiles and amphibians. Report of the recorder. Bedfordshire Naturalist 33: 28-29.

Whitlock, I. 1993. The rehabilitation of a grass snake. Thames and Chiltern Herpetological Group Newsletter 142: 7-9.

Wisler, C.; Hofer, U.; Arlettaz, R. 2008. Snakes and monocultures: habitat selection and movements of female Grass Snakes (Natrix natrix L.) in an agricultural landscape. Journal of Herpetology 42(2): 337-346.

Wisniewski, P.J. 1984. Distribution of amphibians and reptiles in Glamorgan, south Wales. British Herpetological Society Bulletin 9: 29-34.

Wolfgang, O.; Ruhmekorf, E. 1974. Die Barrenringelnatter, Natrix n. helvetica (Lacepede, 1789), in Westfalen. Dortmunder Beitr. Landeskde. 7: 29-36.

Woods, M.J. 1985. Up the snakes and adders. Country Life (London) 178(4596): 796-797.

Worsnip, J. 1980. Black grass snake in Gloucestershire. GNS (Gloucestershire Naturalists' Society) Journal 31(3): 328-329.

Worsnip, J.V. 1978. Another black grass snake. British Journal of Herpetology 5(10): 747.

Wright, D. 1977. The British grass snake (Natrix natrix helvetica) in captivity, plus a few notes on the adder. Herptile 2(2): 9-13.

Wright, D. 1977. Unusual behaviour observed in a female grass snake. Herptile 2(2): 8-9.

Wright, D. 1990. Reminiscences of 10 years caring for and breeding English grass snakes, Natrix natrix helvetica. Herptile 15(4): 151-155.

Young, H.G. 1987. Zoology Section report for 1986. Societe Jersiaise Annual Bulletin 24(3): 324-325.

Natrix maura

Anonymous. 2008. Natrix maura viperine Water Snake (Linnaeus, 1758). Reptilia (GB) 56: 43-46.

Alaminos-Alaminos, E.; Lazaro-López, J.J. 2011. [A case of albinism in Natrix maura from the south of the Iberian Peninsula]. (In Spanish). Boletin de la Asociacion Herpetologica Espanola 22: 81-82.

Alarcos, G.; Alvarez-Collado, F.; Fabio, F.M.; Madrigal, J.; Lizana, M. 2009. [Exotic species of fish of the family Centrarchidae, a danger for Natrix maura]. Boletin de la Asociacion Herpetologica Espanola 20: 95-97.

Alarcos, G.; Flechoso, F.; Codesal, R.; Lizana, M. 2012. [Climbing behavior of Natrix maura to capture an adult example of Hyla arborea]. (In Spanish). Boletin de la Asociacion Herpetologica Espanola 23(2): 43-45.

Amo, L.; Lopez, P.; Martin, J. 2004. Chemosensory recognition and behavioral responses of wall lizards, Podarcis muralis, to scents of snakes that pose different risks of predation. Copeia 2004(3): 691-696.

Amo, L.; Lopez, P.; Martin, J. 2006. Can wall lizards combine chemical and visual cues to discriminate predatory from non-predatory snakes inside refuges? Ethology 112(5): 478-484.

Andreone, F.; Capula, M. 1988. La Natrix maura (Linnaeus 1758) in Emilia Romagna (Reptilia, Serpentes, Colubridae). Atti del Museo Civico di Storia Naturale di Trieste 41(1): 127-131.

Arnaboldi, F.; Marsol, L.; Dommanget, J.L. 2008. Observation d'une couleuvre viperine Natrix maura (Linne, 1758) en foret domaniale de Rambouillet (Yvelines, France) bilan des reptiles presents. Bulletin de la Societe Herpetologique de France 128: 21-23.

Aubret, F.; Bignon, F.; Kok, P.J.R.; Blanvillain, G. 2016. Only child syndrome in snakes: eggs incubated alone produce asocial individuals. Scientific Reports 6: 35752.

Aubret, F.; Blanvillain, G.; Bignon, F.; Kok, P.J.R. 2016. Heartbeat, embryo communication and hatching synchrony in snake eggs. Scientific Reports 6: 23519.

Aubret, F.; Mangin, A. 2014. The snake hiss: potential acoustic mimicry in a viper-colubrid complex. Biological Journal of the Linnean Society 113(4): 1107-1114.

Aubret, F.; Tort, M.; Sarraude, T. 2015. Evolution of alternative foraging tactics driven by water temperature and physiological constraints in an amphibious snake. Biological Journal of the Linnean Society 115(2): 411-422.

Ayres Ashega, C. 2012. Natural history notes: Natrix maura (Viperine Snake). Diet: scavenging. Herpetological Review 43(2): 346-347.

Ayres, C. 2012. Scavenging in the genus Natrix. Acta Herpetologica 7(1): 171-174.

Barata, M.; Harris, D.J.; Castilho, R. 2008. Comparative phylogeography of northwest African Natrix maura (Serpentes: Colubridae) inferred from mtDNA sequences. African Zoology 43(1): 1-7.

Bingler, W. 1948. Die Vipernatter bei der Mahlzeit. Aquarium (Zurich) 3: 28-29.

Blackwell, K. 1952. Notes on the viperine snake (Natrix maura). British Journal of Herpetology 1: 134-136.

Bodin, J. 1959. Reptiles et batraciens de Grande-Brière. Bulletin Soc. Sci. Nat. Ouest 53: 19-23.

Bol, S. 1988. The care and breeding of the viperine snake, Natrix maura (Linnaeus, 1758). Part 1. Snake Keeper 2(6): 6-8.

Bol, S. 1989. The care and breeding of the viperine snake, Natrix maura (Linnaeus, 1758) part 2. Snake Keeper 3(5): 14-17.

Bol, S.C. 1992. Natrix maura. Litteratura Serpentium (English Edition) 12(1): 23.

Bonnet, X.; Naulleau, G.; Shine, R. 1999. The dangers of leaving home: dispersal and mortality in snakes. Biological Conservation 89(1): 39-50.

Burns, P. 1970. Amphibian and reptile notes and records. Biological Conservation 2: 105-114.

Burns, P. 1971. The viperine snake. Aquarist and Pondkeeper 36: 238.

Bustard, R. 1959. Hardy snakes. Aquarist and Pondkeeper 24: 49-50.

Cabot, J.; Olea, S. 1978. Observacion de una culebra viperina Natrix maura en agua marina. Doñana Acta Vertebrata 5: 107.

Canto, R. del; Busack, S.D. 2011. Natural history notes: Natrix maura (Viperine Snake). Non-accidental salt water activity. Herpetological Review 42(2): 295-296.

Castille, C. 2015. World first hypomelanistic Natrix captive breeding. Herptile 40(1): 15-18.

Ceacero Herrador, F.; Pedrajas Pulido, L.; Rodriguez Ramirez, M.; Villodre Carrilero, A. 2006. Predacion de larva de Salamandra salamandra por ejemplar juvenil de Natrix maura. Boletin de la Asociacion Herpetologica Espanola 17(1): 36-37.

Courtois, B.; Kim, A. 2003. Les remparts de Brouage (Charente-Maritime): territoires d'hivernage, de reproduction, d'alimentation et de repos du peuplement ophidien. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 9(3): 289-291.

Davies, P.M.C. 1980. Energetic aspects of cold adaptation in temperate reptiles. Report Cotswold Herpetological Symposium 1979 [1980]: 11-25.

Davies, P.M.C.; Bennett, E.L. 1981. Non-acclimatory latitude-dependent metabolic adaptation to temperature in juvenile natricine snakes. Journal of Comparative Physiology 142(4): 489-494.

Dennis, J. 1982. Reproductive data - viperine snake Natrix maura. Herptile 7(3): 28.

Desclos, M. 1995. Notes sur une concentration inhabituelle de couleuvres viperines Natrix maura L. dans les Gorges du Tarn (Lozere). Bulletin de la Societe Herpetologique de France 69-70 [1994]: 67-68.

Dillon, L.S. 1944. Some European snakes introduced in baled cork-bark. Copeia 1944(3): 188-189.

Dominguez, J.; Villaran, A. 2008. Primer cita de Natrix maura en la dieta de Mauremys leprosa. Boletin de la Asociacion Herpetologica Espanola 19: 37-38.

Dore, R. 1989. Natrix maura. pp. 160-161. In: Castanet, J. & Guyetant, R. Atlas de repartition des amphibiens et reptiles de France. Societe Herpetologique de France, Paris. 191 pp.

Dubey, S.; Christe, P.; Formenti, V.; Staub, E.; Schuerch, J.; Glaizot, O.; Ursenbacher, S. 2015. Introduced freshwater blenny influences the diet and body condition of the invasive Dice Snake in Lake Geneva. Journal of Wildlife Management 79(2): 338-343.

Duguy, R.; Saint-Girons, H. 1966. Cycle annuel d'activite et reproduction de la couleuvre viperine. La Terre et la Vie (Paris) 113: 423-457.

Dupres, F. 1991. The viperine snake, Natrix maura. Herptile 16(4): 146-147.

Edwards, D.M. 1953. Viperine snake Natrix maura in Kent. British Journal of Herpetology 1: 174.

Egea, A.; Minano, P.A.; Maya, J.A. de; Verdiell, D.; Andreu, A.; Oliva Paterna, F.J.; Torralva, M. 2004. Aportaciones a la distribucion de Mauremys leprosa (Schweiger, 1812) y Natrix maura (L., 1758) en la Region de Murcia (Espana). Anales de Biologia (Murcia) 26: 219-221.

Escoriza, D.; Hassine, J.B. 2017. Niche separation among north-west African semi-aquatic reptiles. Hydrobiologia 797(1): 47-56

Feriche, M.; Pleguezuelos, J.M.; Cerro, A. 1993. Sexual dimorphism and sexing of Mediterranean colubrids based on external characteristics. Journal of Herpetology 27(4): 357-362.

Fons, R.; Saint-Girons, H.; Salotti, M.; Cheylan, M.; Clara, J.P. 1991. Contribution a la faune herpetologique des Iles Mediterraneennes: presence de la couleuvre viperine Natrix maura (Reptilia, Colubridae) en Corse. Bonner Zoologische Beiträge 42(2): 181-186.

Galan, P. 2004. Natural history notes: Natrix maura (Viperine Snake). Marine inhabitation. Herpetological Review 35(1): 71.

Galan, P. 2012. [Natrix maura in the marine environment of the Atlantic Islands of Galicia]. (In Spanish). Boletin de la Asociacion Herpetologica Espanola 23(2): 38-43.

Garzon, J. 1975. Natrix maura captura peces y Rana. Doñana Acta Vertebrata 1(1): 56.

Geslin, M. 1946. Le regime d'une couleuvre en captivité Tropidonotus viperinus. Feuille Natural Paris N.S. 1(2-3): 17-18.

Gonzalo, A.; Cabido, C.; Galan, P.; Lopez, P.; Martin, J. 2006. Predator, but not conspecific, chemical cues influence pond selection by recently metamorphosed Iberian green frogs, Rana perezi. Canadian Journal of Zoology 84(9): 1295-1299.

Guicking, D.; Griffiths, R.A.; Moore, R.D.; Joger, U.; Wink, M. 2006. Introduced alien or persecuted native? Resolving the origin of the Viperine Snake (Natrix maura) on Mallorca. Biodiversity and Conservation 15(9): 3045-3054.

Guicking, D.; Joger, U.; Wink, M. 2002. Molecular phylogeography of the Viperine Snake Natrix maura and the Dice Snake Natrix tessellata: first results. Biota (Race) 3(1-2): 49-59.

Guicking, D.; Joger, U.; Wink, M. 2008. Molecular phylogeography of the Viperine Snake Natrix maura (Serpentes: Colubridae): evidence for strong intraspecific differentiation. Organisms Diversity & Evolution 8(2): 130-145.

Gutierrez Estrada, J.C.; Bravo, R. 1997. Observacion de una culebra viperina, Natrix maura, alimentandose de una perca sol, Lepomis gibbosus. Boletin de la Asociacion Herpetologica Espanola 8: 37.

Hailey, A. 1984. Ecology of the viperine snake, Natrix maura. Doctoral Dissertation, University of Nottingham: 315pp.

Hailey, A.; Davies, P.M.C. 1986. Effects of size, sex, temperature and condition on activity metabolism and defence behaviour of the viperine snake, Natrix maura. Journal of Zoology Series A 208(4): 541-558.

Hailey, A.; Davies, P.M.C. 1986. Selection of prey from groups: water snakes and fish. Herpetological Journal 1(2): 71-77.

Hailey, A.; Davies, P.M.C. 1987. Activity and thermoregulation of the snake Natrix maura. 1. r and K thermoregulation. Journal of Zoology (London) 213(1): 71-80.

Hailey, A.; Davies, P.M.C. 1987. Maturity, mating and age-specific reproductive effort of the snake Natrix maura. Journal of Zoology (London) 211(4): 573-587.

Hailey, A.; Davies, P.M.C. 1988. Activity and thermoregulation of the snake Natrix maura. 2. A synoptic model of thermal biology and the physiological ecology of performance. Journal of Zoology (London) 214(2): 325-342.

Hanschke, O. 1952. Mein Wassernattern-Terrarium. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 5: 298-302.

Hecht, G. 1931. Entgegnung sum Aufsatz von Lorenz Müller und Robert Mertens. Zoologischer Anzeiger 95: 221-226.

Heselhaus, R. 1981. Zwei empfehlenswerte Nattern: Thamnophis sauritus und Natrix maura. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 34(7): 242-244.

Isaac, L.A.; Gregory, P.T. 2007. Aquatic versus terrestrial locomotion: comparative performance of two ecologically contrasting species of European natricine snakes. Journal of Zoology (London) 273(1): 56-62.

Isenmann, P. 2006. Note - 3797: Un jeune grebe huppe Podiceps cristatus predateur d'une couleuvre viperine Natrix maura. Alauda 74(4): 428.

Jansen, R. 1983. Breeding results. Natrix maura. Litteratura Serpentium 3(6): 217-218.

Joger, U.; Fritz, U.; Guicking, D.; Kalyabina-Hauf, S.; Nagy, Z.T.; Wink, M. 2010. Relict populations and endemic clades in Palearctic reptiles: evolutionary history and implications for conservation. pp. 119-143. In: Habel, J.C. & Assmann, T. (eds.). Relict species: phylogeography and conservation biology. Springer, Heidelberg, Dordrecht, etc. 449 pp.

Kern, D. 2008. Ist die Vipernatter (Natrix maura) auch Prädator von Libellen? Libellennachrichten 19: 6.

Klesius, T. 2009. Die Vipernatter - Natrix maura. Natur und Tier-Verlag, Münster. 64 pp.

Knoepffler, L.P. 1960. Additifs à la faune herpétologique des Îles d'Hyères. Vie et Milieu 11: 331.

Kobel, H.R. 1967. Morphometrische Karyotypanalyse einiger Schlangenarten. Genetica (Gravenhage) 38: 1-31.

Kuehnel, K.D. 2002. Natrix maura (Linnaeus). Sauria (Berlin) 24(3): 569-572, (Suppl).

Kwet, A. 2005. Fischende Vipernattern. Aquaristik Fachmagazin & Aquarium Heute 37(2)(182): 106-107.

Lanuza, G.P. i de 2011. [Predation of Anguilla anguilla by Natrix maura at the mouth of the River Ebro]. (In Spanish). Boletin de la Asociacion Herpetologica Espanola 22: 51-53.

Lederer, G. 1949. Die Vipernatter, Natrix maura (L.). Zoologische Garten (Leipzig) 16: 74-93.

Lenk, P. 2002. Verdriftung Maurischer Bachschildkröten (Mauremys leprosa) und Vipernattern (Natrix maura) an der südportugiesischen Küste. Zeitschrift für Feldherpetologie 9(2): 221-223.

Lindholm, W.A. 1929. Zur Nomenklatur einiger Eidechsen und Schlangen Europas. Zoologischer Anzeiger 81: 73-82, 96.

Malkmus, R. 1997. Die "gestreifte" Form der Vipernatter (Natrix maura) aus Portugal. Salamandra 32(4): 285-286.

Malkmus, R. 2003. Die gestreifte Form der Vipernatter (Natrix maura) in Portugal. Zeitschrift für Feldherpetologie 10(2): 253-259.

Marangoni, F.; Tejedo, M. 2007. Natural history notes: Pelobates cultripes (Iberian Spadefoot Toad). Predation. Herpetological Review 38(2): 190.

Mariétan, I. 1958. Les reptiles en Valais. Bulletin Murith. 75: 91-102.

Mate, I.; Barrull, J. 2012. First documented attack of southern water vole Arvicola sapidus Miller, 1908 on a viperine snake Natrix maura (Linnaeus, 1758), on the Montsant river (NE Iberian Peninsula). Galemys 24: 91-92.

Mateo Miras, J.A.; Cheylan, M.; Nouira, M.S.; Joger, U.; Sá-Sousa, P.; Pérez-Mellado, V.; Schmidt, B.; Meyer, A.; Sindaco, R.; Romano, A.; Martínez-Solano, I. 2009. Natrix maura. The IUCN Red List of Threatened Species 2009: e.T61538A12510365. http://dx.doi.org/10.2305/IUCN.UK.2009.RLTS.T61538A12510365.en.

Mazza, G.; Monney, J.C.; Ursenbacher, S. 2011. Structural habitat partitioning of Natrix tessellata and Natrix maura at Lake Geneva, Switzerland. Mertensiella 18: 80-85.

Meek, R. 2008. Natrix maura (Viperine Snake): defence behaviour. Herpetological Bulletin 104: 42-43.

Meek, R. 2015. Where do snakes cross roads? Habitat associated road crossings and mortalities in a fragmented landscape in western France. Herpetological Journal 25(1): 15-19.

Meinig, H.; Schlupmann, M. 1987. Herpetologische Eindrücke einer Iberienreise. Herpetofauna (Weinstadt) 9(49): 11-24.

Mellado, J. 1975. Natrix maura alimentandose de Notonectidos. Doñana Acta Vertebrata 1(1): 56-57.

Mellado, J. 1975. Natrix maura alimentandose de Rana ridibunda. Doñana Acta Vertebrata 1(1): 57.

Mertens, R.; Müller, L. 1929. Zur Nomenklatur einiger Eidechsen und Schlangen Europas. Zoologischer Anzeiger 84: 295-302.

Metzger, C.; Christe, P.; Ursenbacher, S. 2011. Diet variability of two convergent natricine colubrids in an invasive-native interaction. Mertensiella 18: 86-93.

Metzger, C.; Ursenbacher, S.; Christe, P. 2009. Testing the competitive exclusion principle using various niche parameters in a native (Natrix maura) and an introduced (N. tessellata) colubrid. Amphibia-Reptilia 30(4): 523-531.

Moore, R.D.; Griffiths, R.A.; O'Brien, C.M.; Murphy, A.; Jay, D. 2004. Induced defences in an endangered amphibian in response to an introduced snake predator. Oecologia (Berlin) 141(1): 139-147.

Moore, R.D.; Griffiths, R.A.; Roman, A. 2004. Distribution of the Mallorcan midwife toad (Alytes muletensis) in relation to landscape topography and introduced predators. Biological Conservation 116(3): 327-332.

Mosauer, W.; Wallis, K. 1927. Macroprotodon cucullatus Geoffr. subspecies nova melanocephala und Tropidonotus (Natrix) viperinus Latr. aberratio nova nigra, zwei Schlangenfunde aus Tunesien. Zoologischer Anzeiger 72: 305-310.

Mouchet, M. 1950. Sur un specimen de Coluber (Elaphis) quaterradiatus Gmel.; tue a Arbonne en 1943. Y aurait-il identite entre Coluber quaterradiatus et C. aesculapii forma romanus? Ovoviviparite de Coronella austriaca. Sur la frequence des ophidiens dans le Massif de Fontainebleau. Bull. Ass. Nat. Loing 26(10): 107-108.

Müller, L.; Mertens, R. 1931. Kritische Bemerkungen über die wissenschaftlichen Namen einiger Amphibien und Reptilien Europas [Reply by Hecht 182]. Zoologischer Anzeiger 92(11/12): 289-300.

Musters, C.J.M. 1982. [Natrix maura the viperine water-snake]. (In Dutch). Lacerta 40(10-11): 248-253.

Nicolau, S.M. 1956. Anfibios y reptiles de la Pobla de Segur. Pinneos 12(39-42): 45-55.

Nijs, J. 2000. An unusually large prey swallowed by a European Viperine Snake (Natrix maura). Podarcis 1(2).

Ott, M. 1992. Eine Schlange für den Anfang. Die Vipernatter, Natrix maura. Aquarium (Minden) 271: 35-38.

Parkyn, F. 1986. The viperine snake - incubation and hatching. Rephiberary 106: 3-4.

Patterson, J.W.; Davies, P.M.C. 1982. Predatory behavior and temperature relations in the snake Natrix maura. Copeia 1982(2): 472-474.

Perez, M.; Collado, E. 1975. Hallazgo de Natrix maura albina. Doñana Acta Vertebrata 2(2): 271-272.

Perez-Bote, J.L.; Roso, R. 2009. [Predation on Natrix maura by Sander lucioperca in the south-western Iberian Peninsula]. Boletin de la Asociacion Herpetologica Espanola 20: 117-119.

Petch, S. 1991. Notes on a case of double-clutching in the viperine snake, Natrix maura. Herptile 16(3): 118-119.

Phisalix, M. 1924. Variations observées dans le revetement ecailleux de la tete chez la vipère aspis; comparaison avec la vipère berus et la coulouvre viperine. Bulletin du Muséum National d’Histoire Naturelle (Paris) 30: 263-268.

Pinya, S.; Cuadrado, E.; Ramos, M.A. 2007. Herpetofauna del Parque Natural de Mondrago en la isla de Mallorca. Boletin de la Asociacion Herpetologica Espanola 18: 49-51.

Pleguezuelos, J.M.; Moreno, M. 1989. Alimentacion primaveral de Natrix maura (Linne, 1758) (Ophidia, Colubridae) en el SE de la Peninsula Iberica. Revista Espanola de Herpetologia 3(2) [1988]: 221-236.

Riches, R.J. 1967. Notes on a clutch of eggs of the viperine snake (Natrix maura). British Journal of Herpetology 4: 14-16.

Rouel, M. 1934. Sur une serie de couleuvres (Natrix viperina Latr.) capturées au Viaduc des Fades. Variations dans leur ecaillure cephalique. Bull. Soc. Hist. nat. Auvergne 22: 34-37.

Rugiero, L.; Capula, M.; Persichetti, D.; Luiselli, L.; Angelici, F.M. 2000. Life-history and diet of two populations of Natrix maura (Reptilia, Colubridae) from contrasted habitats in Sardinia. Miscellania Zoologica (Barcelona) 23(1): 41-51.

Sanchez Garcia, I.; Martinez-Silvestre, A. 1999. Un caso de duplicacion axial en Natrix maura. Boletin de la Asociacion Herpetologica Espanola 10: 37-38.

Santos, X.; Feriche, M.; Leon, R.; Filippakopoulou, A.; Vidal-García, M.; Llorente, G.A.; Pleguezuelos, J.M. 2011. Tail breakage frequency as an indicator of predation risk for the aquatic snake Natrix maura. Amphibia-Reptilia 32(3): 375-383.

Santos, X.; Garcia-Cardenete, L. 2006. Introduccion de peces en rios de la cuenca Mediterranea: una Amenaza para sus depredadores. Boletin de la Asociacion Herpetologica Espanola 16(1-2): 50-51.

Santos, X.; Llorente, G.A. 1997. Actividad de Natrix maura en el Delta del Ebro, analizada mediante tecnicas de telemetria. Revista Espanola de Herpetologia 11: 63-70.

Santos, X.; Llorente, G.A. 1998. Sexual and size-related differences in the diet of the snake Natrix maura from the Ebro Delta, Spain. Herpetological Journal 8(3): 161-165.

Santos, X.; Llorente, G.A. 2001. Actividad estacional y diaria en una poblacion de culebra viperina Natrix maura del delta del Ebro. Boletin de la Asociacion Herpetologica Espanola 12(1): 22-24.

Santos, X.; Llorente, G.A. 2001. Seasonal variation in reproductive traits of the oviparous Water Snake, Natrix maura, in the Ebro Delta of northeastern Spain. Journal of Herpetology 35(4): 653-660.

Santos, X.; Llorente, G.A. 2009. Decline of a common reptile: case study of the Viperine Snake Natrix maura in a Mediterranean wetland. Acta Herpetologica 4(2): 161-169.

Santos, X.; Llorente, G.A.; Feriche, M.; Pleguezuelos, J.M.; Casals, F.; Sostoa, A. de 2005. Food availability induces geographic variation in reproductive timing of an aquatic oviparous snake (Natrix maura). Amphibia-Reptilia 26(2): 183-191.

Santos, X.; Vilardebo, E.; Casals, F.; Llorente, G.A.; Vinyoles, D.; Sostoa, A. de 2006. Wide food availability favours intraspecific trophic segregation in predators: the case of a Water Snake in a Mediterranean river. Animal Biology (Leiden) 56(3): 299-309.

Scali, S. 2011. Ecological comparison of the dice snake (Natrix tessellata) and the viperine snake (Natrix maura) in northern Italy. Mertensiella 18: 131-144.

Scali, S.; Dimitolo, G.; Montonati, S. 2001. Attivita notturna comparata di Natrix maura e Natrix tessellata. Pianura 13: 287-290.

Scali, S.; Montonati, S.; Dimitolo, G. 2000. Analisi multivariata del dimorfismo sessuale nei natricini italiani (Reptilia, Serpentes, Colubridae) su basi biometriche. pp. 415-421. In: Giacoma, C. (ed.). Atti I Congresso Nazionale della Societas Herpetologica Italica (Torino, 2-6 Ottobre 1996). [Proceedings of the first National Congress of the Societas Herpetologica Italica (Turin, 2-6 October 1996)]. Museo Regionale di Scienze Naturali, Torino. 821 pp.

Schaeffel, F.; Mathis, U. 1991. Underwater vision in semi-aquatic European snakes. Naturwissenschaften 78(8): 373-375.

Schätti, B. 1982. Bemerkungen zur Ökologie, Verbreitung und intraspezifischen Variation der Vipernatter, Natrix maura (Linne, 1758) (Reptilia, Serpentes). Revue Suisse de Zoologie 89(2): 521-542.

Schätti, B. 1999. Natrix maura - Vipernatter. pp. 483-503. In: Böhme, W. (ed.). Handbuch der Reptilien und Amphibien Europas. Band 3/II: Schlangen (Serpentes) II (Colubridae 2: Boiginae, Natricinae). Aula-Verlag, Wiesbaden. pp. 481-815.

Schley, L.; Griffiths, R.A. 1998. Midwife toads (Alytes muletensis) avoid chemical cues from snakes (Natrix maura). Journal of Herpetology 32(4): 572-574.

Scortecci, G. 1938. Il genere Natrix in Tripolitania. Natura (Milano) 29(1): 32-34.

Sievers, K. 1969. Doppelte Eiablage einer Vipernatter (Natrix maura). Salamandra 5(3-4): 149.

Stemmler-Morath, C. 1939. Imponierstellungen bei Natrix viperina (Latr.) und Natrix natrix (L.). Wochenschrift für Aquarien- und Terrarienkunde (Braunschweig) 36: 151-153.

Teixeira, J.; Sequeira, F.; Alexandrino, J.; Lima, V.; Cardoso, C.; Fraguas, B.; Goncalves, H.; Magalhaes, C. 1996. Nuevos datos sobre la distribucion de la herpetofauna en Portugal. Boletin de la Asociacion Herpetologica Espanola 7: 8-11.

Torres-Porras, J. 2008. Apareamiento grupal de la culebra viperina (Natrix maura). Boletin de la Asociacion Herpetologica Espanola 19: 47-49.

Valverde, J.A. 1975. Natrix maura alimentandose de larvas de B. bufo. Doñana Acta Vertebrata 1(1): 57.

Wirth, M.; Haehnlein, R. 2009. Die Europäischen Wassernattern: Freilandbeobachtung, Haltung und Zucht von Natrix natrix (Linnaeus, 1758), Natrix maura (Linnaeus, 1758) und Natrix tessellata (Laurenti, 1768). Draco 10(3) (39): 49-59.

Zuffi, M. 1983. Sulla presenza di Triturus alpestris apuanus e di Natrix maura nell'Oltrepo Pavese (Appennino Lombardo). Natura (Milan) 74(1-2): 79-82.

Zuffi, M. 1987. Nuovi dati sulla distribuzione di Natrix maura (L.) in Piemonte, Lombardia ed Emilia Romagna (Reptilia, Colubridae). Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 128(3-4): 337-343.

Natrix natrix

Anonymous. 1981. Zum Vorkommen der Ringelnatter in Rheinland-Pfalz. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 34(7): 251-252.

Anonymous. 1992. [The grass snake Natrix natrix]. Akvariumist (Akvariumy i Terrariumy) 4: 63.

Anonymous. 2008. Natrix natrix European Grass Snake, ringed snake (Linnaeus, 1758). Reptilia (GB) 58: 39-42.

Abdushukurova, R.V. 1965. Feeding of the grass snake in Tashkent Fishery in autumn. Zoologicheskii Zhurnal 44: 462-463.

Accard, G. 1974. Un serpent meconnu - la couleuvre a collier. Bulletin Soc. Hist. nat. Pays Montbelland 1972: 30-31.

Afrasiab, S.R.; Al-Ganabi, M.I.; Al-Fartosi, K. 2012. Snake species new or rare to the herpetofauna of Iraq. Herpetozoa 24(3-4): 179-181.

Ahmadzadeh, F.; Carretero, M.A.; Mebert, K.; Faghiri, A.; Ataei, S.; Hamidi, S.; Böhme, W. 2011. Preliminary results on biological aspects of the grass snake, Natrix natrix in the southern coastal area of the Caspian Sea. Acta Herpetologica 6(2): 209-221.

Allen, D.E. 1950. The mammals, reptiles and amphibians of the Rugby district. Report Rugby School Natural History Society 1950: 18-24.

Anasiewicz, W. 1962. [Moulting in the common ring-snake Natrix natrix (L.)]. (In Polish, English summary). Przeglad Zoologiczny 6: 100-103.

Anasiewicz, W. 1963. [Remarks on copulation in Natrix natrix (L.)]. (In Polish, English summary). Przeglad Zoologiczny 7: 302-303.

Anasiewicz, W.; Miczulski, B. 1961. Observations on the growth rate of Natrix natrix L. hatched and reared under artificial conditions. Ann. Univ. M. Curie Sklodowska 14C: 233-262.

Andjelkovic, M.; Tomovic, L.; Ivanovic, A. 2016. Variation in skull size and shape of two snake species (Natrix natrix and Natrix tessellata). Zoomorphology (Berlin) 135(2): 243-253.

Andrén, C.; Nilson, G. 1981. [Grass snakes]. (In Swedish). Sveriges Natur 72(4): 157-159.

Andrén, C.; Nilson, G. 1981. [The grass snake]. (In Swedish). Sveriges Natur 72(4): 157-159.

Appleby, L.G. 1945. Bird catcher. The Field (London) 1945: 44.

Appleby, L.G. 1971. From egg to grass snake. Country Life 149: 911-912.

Aubret, F.; Mangin, A. 2014. The snake hiss: potential acoustic mimicry in a viper-colubrid complex. Biological Journal of the Linnean Society 113(4): 1107-1114.

Avery, R.A. 1953. Common frog swallowed and rejected alive by grass snake. British Journal of Herpetology 1: 173.

Ayres, C. 2012. Scavenging in the genus Natrix. Acta Herpetologica 7(1): 171-174.

Baier, F.; Wiedl, H.J. 2010. The re-evaluated conservation status of the mountain populations of the highly endangered Cyprus grass snake, Natrix natrix cypriaca (Hecht, 1930), with miscellaneous natural history notes. Salamandra 46(1): 16-23.

Baker, J. 2003. Natrix natrix (Grass Snake): albino hatchling. Herpetological Bulletin 86: 27-28.

Baker, J. 2011. Natrix natrix (Grass Snake): egg-laying site. Herpetological Bulletin 116: 34-35.

Baker, J. 2012. Natural history notes: Pelophylax lessonae (Pool Frog). Predation and reintroduction. Herpetological Review 43(2): 324.

Baker, J.M.R. 2014. Natrix natrix (grass snake): pale coloration. Herpetological Bulletin 128: 28.

Baker, J.M.R. 2015. Marine sightings of grass snakes Natrix natrix. Herpetological Bulletin 131: 30-31.

Bakiev, A.G.; Kirillov, A.A. 2000. [Diet and helminthofauna of the snakes Natrix natrix and N. tessellata (Colubridae) co-inhabiting the Middle Volga Region]. (In Russian, English summary). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 2(2)(4): 330-333.

Balli, A. 1941. Su alonni rapporti biometrici in Tropidonotus natrix. Arch, zool. Torino 29: 113-157.

Balli, A. 1941. Variabilita, in rapporto at sesso, net numero delle squame in Tropidonotus natrix. Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 80(3-4): 295-342.

Baran, I.; Tosunoglu, M.; Kaya, U.; Kumlutas, Y. 1997. Camlihemsin (Rize) civarinin herpetofaunasi hakkinda. [On the herpetofauna of the vicinity of Camlihemsin.] (In Turkish, English summary). Turkish Journal of Zoology 21(4): 409-416.

Barbier, H. 1904. Notes d'erpetologie. Le repas de la couleuvre a collier et de la couleuvre lisse. Feuille Natural 34: 55-60.

Barth, E.K. 1963. Maximum length of Norwegian Snakes and data on Slow-worm and Moor Frog. Fauna (Oslo) 16(1): 33-37.

Bates, A. 1973. Magpie attacks grass snake. Bird Life 1972(Oct.-Dec.): 31.

Bauer, U. 1995. Vorkommen und Schutz von Schlangen im Raum Augsburg. Berichte des Naturwissenschaftlichen Vereins fuer Schwaben 99(4): 74-84.

Benick, L. 1933. Über unsere Ringelnatter, Tropidonotus n. natrix L. Zoologischer Anzeiger 101: 294-299.

Bernardi, I. 1904. Il Tropidonotus natrix nel Livornese. Boll. Naturalista 24: 71-73.

Bernardi, I. 1904. L' albinismo nei rettili (Natrix torquata). Boll. Naturalista 24: 12-13.

Beshkov, V.A. 1986. Striped and non-striped type of colouring of the ringed snake Natrix natrix (L.) (Colubridae, Serpentes) in Bulgaria. Acta Zoologica Bulgarica 31: 32-36.

Beutler, A.; Assmann, O.; Drobny, M.; Schilling, D. 1993. Die Ringelnatter (Natrix natrix natrix Linnaeus, 1758) in Südbayern - Bestandssituation, Gefährdung und Schutz. Mertensiella 3: 171-179.

Biczycki, M.; Olszewska, B.; Klimaszewska-Guzik, R.; Kaczmarczyk, A. 1994. Histological studies of thyroid gland activity in the annual cycle of grass snake (Natrix natrix L.). Zoologica Poloniae 39(1-2): 29-41.

Biczycki, M.; Wasowicz, S.; Wolanska-Karut, J.; Golka, D.; Butkiewicz, D. 1994. Organisation, development and secretory activity of the thyroid gland in grass snake (Natrix natrix L.). Zoologica Poloniae 39(1-2): 43-58.

Blanke, I.; Borgula, A.; Brandt, T. (eds.). 2008. Verbreitung, Ökologie und Schutz der Ringelnatter (Natrix natrix Linnaeus, 1758). Mertensiella 17: 1-304.

Blanke, I.; Nöllert, A. 2009. Gelege einer Ringelnatter (Natrix n. natrix) in Muschelkalk. Zeitschrift für Feldherpetologie 16(2): 231-234.

Blazuk, J. 1985. [The reptiles living in the environs of the town of Swinoujscie]. (In Polish). Chronmy Przyrode Ojczysta 41(1): 41-42.

Blazuk, J. 2000. Nowe stanowisko melanistycznej odmiany zaskronca zwyczajnego Natrix natrix natrix (Linnaeus, 1758) w Bieszczadach Zachodnich [A new finding of melanistic Grass Snake Natrix natrix natrix (Linnaeus, 1758) from Western Bieszczady Mts.] (In Polish, English summary). Parki Narodowe i Rezerwaty Przyrody 19(1): 103-105.

Blosat, B. 1997. Die Amphibien und Reptilien in der Gemeinde Much (Nordrhein-Westfalen). Zeitschrift für Feldherpetologie 4(1-2): 13-35.

Blosat, B. 1998. Morphometrische und ökologische Feldstudien an Reptilien im Bergischen Land (Nordrhein-Westfalen). 2. Ringelnatter, Natrix natrix natrix (Linnaeus, 1758) und Natrix natrix helvetica (Lacepede, 1789). Salamandra 34(1): 55-68.

Blosat, B. 2008. Population status, threats and protection of the Grass Snake, Natrix natrix cypriaca (Hecht, 1930) on Cyprus. Mertensiella 17: 246-271.

Bobrov, V.V. 1989. [Reptile distribution in the Moscow region]. pp. 164-176. (In Russian). In: Orlova, V.F. (ed.). Zemnovodnye i presmykayushchiesya Moskovskoi oblasti: (materialy soveshchaniya po gerpetofaune Moskvy i Moskovskoi oblasti, 9-10 noyabrya 1987g., Moskva) [The amphibians and reptiles of the Moscow region: a conference on the herpetofauna of Moscow and the Moscow Region, 9-10 November 1987, Moscow]. Nauka, Moskva. 179 pp.

Bodin, J. 1959. Reptiles et batraciens de Grande-Brière. Bulletin Soc. Sci. Nat. Ouest 53: 19-23.

Bogaerts, S.; Pasmans, F.; Protopapas, D.; Pafilis, P.; Lymberakis, P. 2018. Rediscovery of the grass snake (Natrix natrix) on the island of Karpathos, Greece. Herpetology Notes 11: 303-305.

Bolam, H.G. 1922. Some notes on the breeding of grass snakes [Tropidonotus natrix]. Vasculum (Hexham) 8: 47-49.

Bondarenko, D.A.; Starkov, V.G. 1989. [On the distribution and ecology of the grass snake Natrix natrix in the Moscow area and the southern region]. pp. 40-43. (In Russian). In: Orlova, V.F. (ed.). Zemnovodnye i presmykayushchiesya Moskovskoi oblasti: (materialy soveshchaniya po gerpetofaune Moskvy i Moskovskoi oblasti, 9-10 noyabrya 1987g., Moskva) [The amphibians and reptiles of the Moscow region: a conference on the herpetofauna of Moscow and the Moscow Region, 9-10 November 1987, Moscow]. Nauka, Moskva. 179 pp.

Bonnen, G. 1983. Rund um die Ringelnatter. Kosmos (Stuttgart) 79(10): 40-41.

Bonnet, X.; Naulleau, G.; Shine, R. 1999. The dangers of leaving home: dispersal and mortality in snakes. Biological Conservation 89(1): 39-50.

Borczyk, B. 2004. Causes of mortality and bodily injury in Grass Snakes (Natrix natrix) from the 'Stawy Milickie' nature reserve (SW Poland). Herpetological Bulletin 90: 22-26.

Borczyk, B. 2004. Natural history notes: Natrix natrix (European Grass Snake). Male combat. Herpetological Review 35(4): 402.

Borczyk, B. 2007. The causes of intraspecific variation in sexual dimorphism in the common Grass Snake populations, Natrix natrix Linnaeus, 1758 (Serpentes, Colubridae): data from the south western Poland. Acta Zoologica Cracoviensia 50(1-2): 9-13.

Borczyk, B. 2015. Allometry of head size and shape dimorphism in the grass snake (Natrix natrix L.). Turkish Journal of Zoology 39(2): 340-343.

Borgula, A. 2008. Artenhilfsprogramm für die Ringelnatter (Natrix natrix helvetica) im Kanton Luzern. Mertensiella 17: 202-213.

Borgula, A.; Podloucky, R.; Blanke, I. 2008. Grundlagen für Artenhilfsprogramme für die Ringelnatter (Natrix natrix). Mertensiella 17: 189-201.

Bose, B. 1897. Tropidonotus in Meerwasser. Zoologischer Anzeiger 20: 255.

Brander, T. 1950. Faunistika iakttagelser i Kivijarvi-trakten i Urdiala (Ta) [Fauna observations in the Kivijarvi Tract in Urdiala]. Memoranda Societatis Pro Fauna et Flora Fennica 25: 121-135.

Brandes, F.; Wiedl, H.J. 2002. Die Zypern-Ringelnatter (Natrix natrix cypriaca) erhält eine zweite Chance. ZGAP Mitteilungen 18(1): 12-14.

Brandt, T. 2008. Verbreitung und Schutz der Ringelnatter Natrix n. natrix am Steinhuder Meer, Niedersachsen. Mertensiella 17: 84-96.

Breuer, W. 2008. Die Ringelnatter im Paragraphen-Dschungel - Wichtige Bestimmungen des deutschen Artenschutzrechts für die Praxis. Mertensiella 17: 232-245.

Bringsøe, H. 2002. Hvordan svømmer en hugorm og en snog? [How do vipers and Grass Snakes swim?]. (In Danish, English summary). Nordisk Herpetologisk Forening 45(1): 22-25.

Bringsøe, H.; Aastrup, P. 2017. Natrix natrix (Linnaeus, 1758) climbing tree to a height of 475 cm. Herpetozoa 29(3-4): 212-214.

Broggi, M.F. 1994. Feldherpetologische Beobachtungen und Bemerkungen zu schutzenswerten Biotopen auf griechischen Inseln (Amphibia; Reptilia; Griechenland). Herpetozoa 7(1-2): 29-34.

Broggi, M.F. 2014. The herpetofauna of Kimolos (Milos Archipelago, Greece). Herpetozoa 27(1-2): 102-103.

Bruni, G. 2017. A leucistic grass snake Natrix natrix (Linnaeus, 1758) (Serpentes: Natricidae) from Tuscany, Central Italy. Herpetology Notes 10: 313-316.

Buchholz, K.F.; Schultze-Westrum, T. 1964. Zur Kenntnis der Schlangenfauna der nördlichen Sporaden. Zoologischer Anzeiger 173: 127-136.

Bull, D. 2004. Natrix n. helvetica (Grass Snake): clutch size and female reproductive behaviour. Herpetological Bulletin 88: 31-32.

Bustard, R. 1959. Hardy snakes. Aquarist and Pondkeeper 24: 49-50.

Butler, V. 1948. Hatching the eggs of the grass snake. Aquarist (London) 13(7): 237.

Cabela, A.; Teufl, H. 2003. Auswirkungen der Neugestaltung des Donauufers (Stauraum Freudenau) auf die Ausbreitung von Reptilien auf der Wiener Donauinsel. Denisia 10: 143-158.

Cantoni, A. 1922. Casi di dicefalia in Tropidonotus natrix. Atti soc. ligustica sc. nat. geogr. Genova 32: 131-142.

Carnier, T. 1993. Zur Phanologie von Ringelnatter Natrix natrix (L.) und Blindschleiche Anguis fragilis (L.) anhand von Strassenverkehrsopfern 1988-1993. Beiträge zur Naturkunde Niedersachsens 46(4): 210-211.

Carnier, T. 1995. Strassentod von Ringelnatter (Natrix natrix) und Blindschleiche (Anguis fragilis) - Jahresbilanz 1994. Beiträge zur Naturkunde Niedersachsens 48(1): 48.

Carnier, T. 1995. Strassentod von Ringelnatter Natrix natrix und Blindschleiche Anguis fragilis - Jahresbilanz 1995. Beiträge zur Naturkunde Niedersachsens 48(4): 186.

Castille, C. 2015. World first hypomelanistic Natrix captive breeding. Herptile 40(1): 15-18.

Cattaneo, A. 1989. Note espetologiche sulle isole greche di Serifos, Sifnos e Milos (Cicladi occidentali). Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 130(2): 57-76.

Cattaneo, A. 2010. Note eco-morfologiche su alcune species ofidiche egee, con particolare riferimento alle popolazioni delle cicladi centro-orientali (Reptilia). Naturalista Siciliano 34(3-4): 319-350.

Ceirans, A. 2002. On the importance of tree stand composition and age in forest habitats of Anguis fragilis, Zootoca vivipara, and Natrix natrix (Squamata: Sauria: Anguidae, Lacertidae; Squamata: Serpentes: Colubridae). Herpetozoa 15(1-2): 63-74.

Ceirans, A. 2003. Reptiles in sub-boreal forests of Eastern Europe: patterns of forest type preferences and habitat use in Anguis fragilis, Zootoca vivipara and Natrix natrix. (Squamata: Sauria: Anguidae, Lacertidae Serpentes: Colubridae). Herpetozoa 17(1-2): 65-74.

Ceirans, A. 2007. Microhabitat characteristics for reptiles Lacerta agilis, Zootoca vivipara, Anguis fragilis, Natrix natrix, and Vipera berus in Latvia. Russian Journal of Herpetology 14(3): 172-176.

Chetanov, N.A.; Litvinov, N.A.; Bakiev, A.G. 2009. [Possibilities of applying variation parameters in reptile thermobiology studies]. (In Russian). Povolzhskii Ekologicheskii Zhurnal 3: 263-269.

Chiurca, D.; Gherghel, I. 2008. Aspects concerning the herpetofauna in the city of Bacau (Romania): urban and peri-urban environments. Herpetologica Romanica 2: 13-19.

Ciesiolkiewicz, J.; Orlowski, G.; Elanowski, A. 2006. High juvenile mortality of Grass Snakes Natrix natrix (L.) on a suburban road. Polish Journal of Ecology 54(3): 465-472.

Clark, R. 1999. A record late sighting of the grass snake in Norway? Herptile 24(4): 152-153. (Incorrectly cited on front cover as 24(3)).

Conrady, D.; Boddenberg, J.; Robisch, F.; Thiele, A.; Uthleb, H. 2005. Naturnahe Waldbäche und lichte Waldlebensräume in Thüringen. Ein Modellprojekt des Ilm-Kreises und des Freistaates Thüringen. Landschaftspflege und Naturschutz in Thüringen 42(3): 85-91.

Consul, A.; Eger, S.; Kwet, A. 2009. The Grass Snake, Natrix natrix natrix (Squamata: Colubridae), as a predator of the great ramshorn snail, Planorbarius c. corneus (Gastropoda: Planorbidae). Salamandra 45(1): 50-52.

Covaciu-Marcov, S.D.; Cicort-Lucaciu, A.S.; Sas, I.; Filimon, A. 2009. Notes on the herpetofauna of south-eastern plain areas from Romania. Analele Universitatii din Craiova Biologie Horticultura Tehnologia Prelucrarii Produselor Agricole Ingineria Mediului 14(50): 451-456.

Covaciu-Marcov, S.D.; Sas, I.; Lazar, V.; Szeibel, N.; Condure, N. 2008. The herpetofauna in the plain area from the western Satu Mare County, Romania. Oltenai Studii si Comunicari Stiintele Naturii 24: 161-166.

Creutz, G. 1973. Die Ringelnatter. Sachsische Heimatbl. 19(3): 1.

Curry-Lindahl, K. 1946. De gotlandska vattensnokerna [The water snakes of Gotland]. (In Swedish). Fauna och Flora (Uppsala) 1946(1-2): 37-49.

Curry-Lindahl, K. 1950. Zoologiska studer pa Blå Jungfrun. [On the fauna of Blå Jungfrun Island National Park, Baltic]. Fauna och Flora (Uppsala) 1950(5-6): 208-234.

Cvitanic, A. 1965. Observations sur les serpents la couleuvre a Collier (Matrix natrix L.) recueillie le long de fleuve Neretva, pres de son embouchure. Godisnjak Biol. Inst. Saraj. 18: 119-127.

Cyrén, O. 1945. [Snokar med huggormteckning [Grass snakes with adder markings]]. (In Swedish). Fauna och Flora (Uppsala) 1945(1-2): 68-76.

Davies, P.M.C.; Bennett, E.L. 1981. Non-acclimatory latitude-dependent metabolic adaptation to temperature in juvenile natricine snakes. Journal of Comparative Physiology 142(4): 489-494.

Deaton, R.H. 1986. Lower vertebrate section. Harrogate & District Naturalists' Society Report 1986: 30-33.

Dely, O.G. 1981. Amphibians and reptiles of the Hortobagy. Natural History of the National Parks of Hungary 1: 387-390.

Dely, O.G.; Stohl, G. 1989. Asymmetrische Augen-Aberration bei der Ringelnatter (Natrix natrix (Linnaeus)) (Serpentes, Colubridae). Vertebrata Hungarica 23: 5-8.

Denton, J. 2001. Natrix natrix (Grass Snake): unseasonal activity. Herpetological Bulletin 75: 30.

Didem, E.; Tosunoglu, M. 2017. Plasma biochemical parameters of Natrix natrix (Linnaeus, 1758; Squamata: Natricidae) population in Çanakkale. Russian Journal of Herpetology 24(1): 35-40.

Dincaslan, Y.E. 2006. Goller Bolgesi yari sucul yilan, Natrix natrix persa (Pallas, 1814) Uzerine morfolojik ve ekolojik bir Arastirma [A morphological and ecological investigation on the Ringed Snake, Natrix natrix persa (Pallas, 1814) (Ophidia: Colubridae) of the lakes. Su Urunleri Dergisi 23(1-2): 93-99.

Dolce, S. 1983. Osservazioni eco-etologiche su Natrix natrix (L.) negli stagni del carso triestino (Italia nordorientale). (Reptilia, Squamata, Colubridae). Atti del Museo Civico di Storia Naturale di Trieste 35: 313-328.

Drasler, K.; Zagmajster, M. 2012. First record of a grass snake Natrix natrix (Linnaeus, 1758) in Postojnska jama. Natura Sloveniae 14(2): 73-75.

Drobenkov, S.M. 1995. Comparative analysis of the feeding of sympatric snakes Vipera berus (L.), Natrix natrix (L.), and Coronella austriaca (Laur.). (In Russian). Ekologiya (Moscow) 3: 222-226.

Dujsebayeva, T.N.; Malakhov, D.V. 2001. [On the distribution of amphibians and reptiles on the northern coast of Alakol Lake (southeastern Kazakhstan)]. (In Russian, English summary). Selevinia 2001(1-4): 105-111.

Eckstein, H.P. 1993. Lebensraumveränderungen und Schutz der Ringelnatter (Natrix natrix Linnaeus 1758) im Bergischen Land, NRW. Mertensiella 3: 199-210.

Eckstein, H.P. 1993. Zur Ökologie der Ringelnatter (Natrix natrix) in Deutschland. Mertensiella 3: 157-170.

Eckstein, H.P. 1995. Fressversuch einer Ringelnatter. Herpetofauna (Weinstadt) 17(98): 34.

Eckstein, H.P.; Trapp, B. 2001. [Natrix natrix (Linnaeus, 1758). Ringelnatter]. Reptilia (D) 6(31): 51-54.

Eder, J.; Eder, H.; Schumacher, A.; Schumacher, D. 1988. Die Ringelnatter, Natrix n. natrix (Linnaeus, 1758), als Beute der Regenbogenforelle, Salmo gairdneri Richardson, 1836, und der Seeforelle, Salmo trutta lacustris Linnaeus, 1758. Herpetozoa 1(1-2): 69-71.

Elmberg, J.; Hagman, M.; Lowenborg, K.; Karvemo, S. 2013. Snokens barnkammare försvinner. [The grass snake Natrix natrix is losing its nesting sites]. (In Swedish). Fauna och Flora (Stockholm) 108(1): 10-16.

Faghiri, A.; Shiravi, A.; Hojjati, V.; Kami, H.G. 2011. Observations on the spermatogenic cycle of the Grass Snake, Natrix natrix (Serpentes: Colubridae) in northern Iran. Asian Herpetological Research 2(1): 55-59.

Fejervary-Langh, A.M. 1944. Die schwarze ringelnatter als systematisches und biologisches Problem. Frag. Fauna Hungarica 7: 60-63.

Feldmann, S. 1968. Verbreitung und Ökologie der Ringelnatter, Natrix n. natrix (L., 1758), in Westfalen. Abh. Landesmus. Naturk. Munster 30: 13-19.

Feriche, M.; Pleguezuelos, J.M.; Cerro, A. 1993. Sexual dimorphism and sexing of Mediterranean colubrids based on external characteristics. Journal of Herpetology 27(4): 357-362.

Ferri, V. 1985. Predazione di lucertola muraiola, Podarcis muralis da parte della natrice dal collare, Natrix natrix (Reptilia). Natura (Milano) 76(1-4): 113-114.

Filippi, E.; Capula, M.; Luiselli, L.; Agrimi, U. 1996. The prey spectrum of Natrix natrix (Linnaeus, 1758) and Natrix tessellata (Laurenti, 1768) in sympatric populations (Squamata: Serpentes: Colubridae). Herpetozoa 8(3-4): 155-164.

Filippi, E.; Luiselli, L. 2002. Crested newts Triturus carnifex (Laurenti, 1768), form the bulk of the diet in high-altitude Grass Snakes Natrix natrix (Linnaeus, 1758), of the central Apennines (Caudata: Salamandridae; Squamata: Colubridae). Herpetozoa 15(1-2): 83-85.

Forman, F. 1981. Zur Schlangenfauna im Osnabrücker Gebiet. Osnabrücker Naturwissenschaftliche Mitteilungen 8: 135-138.

Forman, P.; Eckstein, P. 1993. Untersuchung zur Habitatnutzung eines inselartigen Vorkommens der Ringelnatter (Natrix natrix) im nördlichen Münsterland (Westfalen) mit Angaben zur Lebensraum-Pflege und -Entwicklung. Mertensiella 3: 181-188.

Forster, F. 1902. Bemerkungen zur heimischen Schlangenkunde. Karlsruhe Mitt. zool. Ver. Nr. 11-12: 41-43.

Fottner, G. 1979. Schlangen als Kulturfolger im küstennahen Dalmatien (Jugoslawien). Salamandra 15(4): 268-270.

Franz, V. 1912. Ringelnatter und Frosch. Zool. Beob. (Frankfurt am Main) 53: 119-122.

Frederiksen, R. 2009. Ulstrup strand - et godt sted at finde krybdyr [Ulstrup beach - a good place to find reptiles]. (In Danish, English summary). Nordisk Herpetologisk Forening 51(5): 167-170.

Frisch, K.V. 1959. Bestrafte Gefrässigkeit. Zeitschrift Tierpsychol. 16: 647-650.

Fritz, K. 1990. Gefährdete Schlangen: Kreuzotter und Ringelnatter. Ökologie & Naturschutz 1 [1987]: 123-125.

Fritz, U.; Corti, C.; Paeckert, M. 2012. Mitochondrial DNA sequences suggest unexpected phylogenetic position of Corso-Sardinian grass snakes (Natrix cetti) and do not support their species status, with notes on phylogeography and subspecies delineation of grass snakes. Organisms Diversity & Evolution 12(1): 71-80.

Froesch, P. 1983. Melanische und melanotische Ringelnattern im Tessin. Aquarium (Minden) 17(169): 384-386.

Froesch-Franzon, P. 1979. Zucht und Aufzucht der Ringelnatter. Aquarium (Minden) 13(119): 224-227.

Frostheden, H. 1952. Angarnssjöägens vertebrater. Fauna och Flora (Stockholm) 1952(5-6): 177-203.

Frotzler, N.; Davitashvili, N.; Mebert, K. 2011. Distribution of the dice snake (Natrix tessellata) in Georgia (Transcaucasia) and comparative notes on the genus Natrix. Mertensiella 18: 357-364.

Gallwey, E. 1932. Eggs of grass snake. Naturalist (London) 1932(910): 320.

Garancsy, M. 1975. Why do we protect all of our reptiles? Buvar 30(5): 217-221.

Gaywood, M.J.; Spellerberg, I.F. 1996. Thermal ecology 1: thermal ecology of reptiles and implication for survey and monitoring. English Nature Science 27: 9-22.

Gehl, O. 1975. Jungstorch an Ringelnatter erstickt. Falke 22(4): 139.

Gent, C.J. 1979. Phenology, 1978. Country-side 23(10): 490-494.

Gentilli, A.; Zuffi, M. 1995. Structure of a Natrix natrix population from northern Italy. pp. 241-243. In: Llorente, G.A.; Montori, A.; Santos, X. & Carretero, M.A. (eds.). Scientia Herpetologica: papers submitted from the 7th Ordinary General Meeting of Societas Europaea Herpetologica, Barcelona, September 15-19, 1993. Asociacion Herpetologica Espanola, Barcelona. 385 pp.

Gentilli, A.; Zuffi, M. 1995. Thermal ecology of a grass snake (Natrix natrix) population in northwestern Italy. Amphibia-Reptilia 16(4): 401-404.

Gerhardt, A. 1981. Wo gibt es noch Ringelnattern in Rheinland-Pfalz? Kosmos (Stuttgart) 77(6): 90.

Gezova, S.; Jablonski, D. 2018. Natural history notes: Natrix natrix (Grass Snake). Mortality. Herpetological Review 49(2): 348.

Ghira, I.; Stugren, B. 1988. Verteilung von Amphibien und Reptilien auf Höhenzonen im Retezat-Gebirge. Studia Universitatis Babes-Bolyai Biologia 33(2): 69-75.

Ghiurca, D.; Gherghel, I.; Rosu, G. 2009. Contribution to knowledge of the distribution of herpetofauna in Tarcau Mountains (Romania). AES Bioflux 1(2): 73-79.

Gilbert, C.M.J.; Compton, S.G.A. 2013. Differences in basking site selection between the sympatric snakes Vipera berus and Natrix natrix. Herpetological Bulletin 126: 10-13.

Gisten, T. 1941. Om svenska jattesnokar. Fauna och Flora (Uppsala) 1940(5): 193-209.

Glaser, F.; Mungenast, F.; Sonntag, H. 2003. Bewässerungsteiche als Lebensräume für Amphibien und Libellen am Beispiel der Trams bei Landeck (Tirol, Österreich) - Artensbestand, naturschutzfachliche Bedeutung, Schutz und Erhaltung. Berichte des Naturwissenschaftlich Medizinischen Vereins in Innsbruck 90: 165-205.

Gnskov, E.P. 1975. On phenotypic variations of colour in the grass snake subspecies (Natrix natrix). Zoologicheskii Zhurnal 54(8): 1266-1267.

Göcmen, B.; Mebert, K.; Akman, B.; Yalcinkaya, D.; Karis, M.; Erurhan, M. 2011. New locality records of snakes resembling the Big-headed Grass Snake, Natrix megalocephala Orlov & Tuniyev, 1987 (Ophidia: Colubridae) in Turkey. North-Western Journal of Zoology 7(2): 363-367.

Gordeev, D.A. 2012. [Features of distribution, biology, ecology and morphology of Natrix natrix (Lineaus [Linnaeus], 1758), Volgograd Region]. (In Russian). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 14(1): 150-153.

Graff, H. 2009. Feltherpetologi fra søsiden. [Field herpetology along the coastline]. (In Danish, English summary). Nordisk Herpetologisk Forening 51(6): 198-200.

Graham, S.A. 2013. Natrix natrix (Grass snake): Habitat. Herpetological Bulletin 125: 33.

Gray, J.; Lissmann, H.W. 1950. The kinetics of locomotion of the grasssnake. Journal of Experimental Biology 26(4): 354-367.

Gregory, P.T. 2008. Bluffing and waiting: handling effects and post-release immobility in a death-feigning snake (Natrix natrix). Ethology 114(8): 768-774.

Gregory, P.T. 2013. Once bitten, twice shy: does previous experience influence behavioural decisions of snakes in encounters with predators? Ethology 119(11): 919-925.

Gregory, P.T.; Isaac, L.A. 2005. Close encounters of the worst kind: Patterns of injury in a population of Grass Snakes (Natrix natrix). Herpetological Journal 15(4): 213-219.

Gregory, P.T.; Isaac, L.A.; Griffiths, R.A. 2007. Death feigning by Grass Snakes (Natrix natrix) in response to handling by human 'predators'. Journal of Comparative Psychology 121(2): 123-129.

Gregory, P.T.; Tuttle, K.N. 2016. Effects of body size and reproductive state on cover use of five species of temperate-zone natricine snakes. Herpetologica 72(1): 64-72.

Grillitsch, H.; Werner, Y.L. 2009. The southern limit of Natrix natrix in the Levant - a detective story (Squamata: Serpentes: Colubridae). Herpetozoa 22(1-2): 65-74.

Grodzinska, N. 1948. Influence of sloughing on the ability of the watersnake to discriminate between colours (Tropidonotus natrix L.). C. R. Acad. Cracovie 1948(7): 11.

Grodzinski, W. 1957. [Materials for the study of the vertebrate fauna of the western Bieszczads]. (In Polish, English summary). Zesz. Nauk Uniw. Jagiellonsk. No. 10, Seria Nauk Biol. Zoologia 1: 177-221.

Grosse, W.R. 1980. Die Kulke - ein Altwasser im Auenwald. Hercynia 17(1): 76-79.

Grosse, W.R. 2008. Verbreitung der Ringelnatter (Natrix natrix) in der Stadt Halle/Saale (Sachsen-Anhalt). Mertensiella 17: 106-116.

Grosse, W.R. 2009. Die Kriechtiere (Reptilia) der Stadt Halle/Saale (Sachsen-Anhalt) und der Stadt Leipzig (Sachsen). Hercynia 42(1): 125-145.

Groudis, S.P. 1989. [Herpetofauna]. (In Russian). Teploenergetika i Okruzhayushchaya Sreda 7: 135-140.

Guerin-Ganivet, J. 1909. Note sur la presence de Tropidonotis natrix Lin. dans l'eau de mer. Bull. mus. ocean. Monaco 132: 2.

Guicking, D.; Joger, U.; Wink, M. 2008. Molekuläre Phylogenie and Evolutionsgeschichte der Gattung Natrix, mit Bemerkungen zur innerartlichen Gliederung von N. natrix. Mertensiella 17: 16-30.

Guisan, A.; Hofer, U. 2003. Predicting reptile distributions at the mesoscale: Relation to climate and topography. Journal of Biogeography 30(8): 1233-1243.

Guttmann, R. 1976. Die Amphibien und Reptilien des Hostenbacher Haldengeländes. Faunistisch-Floristische Notizen aus dem Saarland 8(2): 1-6.

Haartman, L. von 1949. Den svarta fasen av vattensnok, Tropidonotus natrix (L.) [The black phase of the grass snake, Tropidonotus natrix (L.)]. (In Swedish). Memoranda Societatis Pro Fauna et Flora Fennica 24 [1948-49]: 26-28.

Habiboglu, T.; Cicek, K.; Tok, C.V. 2016. A case of melanism in the Grass Snake, Natrix natrix (L., 1758) (Reptilia: Colubridae) from Gokceada (Imbros), Turkey. Biharean Biologist 10(1): e152304, 60-61.

Hachtel, M.; Brocksieper, U.; Schmidt, P. 2008. Erfassung und Erhaltung: Die Ringelnatter (Natrix natrix) im Raum Bonn. Mertensiella 17: 128-142.

Hadasch, J. 1995. Ein aktueller Nachweis der Ringelnatter (Natrix natrix) für den Kreis Herford. Bericht des Naturwissenschaftlichen Vereins für Bielefeld und Umgegend E.V. 36: 55-56.

Hagman, M.; Elmberg, J.; Karvemo, S.; Lowenborg, K. 2012. Grass snakes (Natrix natrix) in Sweden decline together with their anthropogenic nesting-environments. Herpetological Journal 22(3): 199-202.

Hagman, M.; Lowenborg, K.; Shine, R. 2015. Determinants of anti-predator tactics in hatchling Grass Snakes (Natrix natrix). Behavioural Processes 113: 60-65.

Halfpenny, G.; Bellairs, A.A. 1976. A black grass snake. British Journal of Herpetology 5(6): 541-542.

Hammer, U. 1995. Lachmöwe (Larus ridibundus) und Ringelnatter (Natrix natrix). Ornithologische Jahreshefte für Baden-Württemberg -11(2): 245-246.

Hanschke, O. 1952. Mein Wassernattern-Terrarium. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 5: 298-302.

Happ, H.; Happ, F. 1999. Neues aus der Welt der Kriechtiere. Carinthia II 109(1): 7-18.

Hart, W. 1976. Snake charmers. Country-side 22(12): 596-597.

Hecht, G. 1930. Unsere ringelnatter. Aquarium (Berlin) 1930: 142-147.

Heer, E. 1979. Über schlangen im Riesgebiet und seiner Umgebung. Berichte des Naturwissenschaftlichen Vereins für Schwaben 83(3-4): 64-69.

Heigl, F.; Horvath, K.; Laaha, G.; Zaller, J.G. 2017. Amphibian and reptile road-kills on tertiary roads in relation to landscape structure: using a citizen science approach with open-access land cover data. BMC Ecology 17: 24

Heiligtag, S.; Stevens, M.; Greven, H. 2006. Die Ringelnatter Natrix natrix (Squamata: Colubridae) im FFH-Gebiet "Knechtstedener Wald", Niederrheinische Bucht. Decheniana 159: 115-121.

Heimes, P. 1990. Zur Verbreitung der Reptilien in der Stadt Giessen. Hessische Faunistische Briefe 10(4): 55-61.

Heimes, P. 1993. Die Verbreitung der Reptilien im westlichen Taunus. Jahrbücher des Nassauischen Vereins für Naturkunde 114: 41-57.

Hellmich, W. 1957. Unsere Ringelnatter in den Alpen. pp. 63-68. Sonderb. Jahr. 1956 Vereins Z. Schutze D. Alpen. u. Tiere.

Hellmich, W. 1964. Über eine merkwürdige Lücke in der Verbreitung unserer Ringelnatter, der Glattnatter und des Feuersalamanders. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 17: 312-315.

Hemmer, H. 1966. Der Funktionskreis von Nahrungserwerb und Nahrungsaufnahme bei der Ringelnatter (Natrix natrix L.). Zoologische Beiträge 12: 419-464.

Hemmer, H. 1966. Totstellen und Akinese bei der Ringelnatter (Natrix natrix). DATZ (Die Aquarien- und Terrarien-Zeitschrift) 19(3): 88-89.

Hille, A. 1997. Biochemical variation between populations of the western and the eastern grass snake (Natrix natrix) from the transition zone in Nordrhein-Westfalen, Germany. pp. 177-184. In: Böhme, W.; Bischoff, W. & Ziegler, T. (eds.). Herpetologia Bonnensis. Proceedings of the 8th Ordinary General Meeting of the Societas Europaea Herpetologica, 23-27 August 1995, Bonn, Germany. Societas Europaea Herpetologica, Bonn. 414 pp.

Hodson, N.L. 1967. A survey of road mortality in mammals (including data for the grass snake and common frog). Journal Northampt. nat. Hist. Soc. 35: 534-535, 584.

Hofer, U. 2008. Reproduktion der Ringelnatter (Natrix natrix) in einer Agrarlandschaft des Schweizer Mittellandes: Einfluss unterschiedlicher Ablagesubstrate auf Legeverhalten und Schlupfraten. Mertensiella 17: 181-188.

Hofer, U.; Misslin, S.; Camponovo, I. 2002. Monitoraggio delle popolazioni di Saettone (Elaphe longissima), di Biacco (Hierophis viridiflavus) e di Natrice dal collare (Natrix natrix helvetica) in localita Boschi, Stabio TI. Bollettino della Societa Ticinese di Scienze Naturali 90(1-2): 59-67.

Hojjati, V.; Faghiri, A.; Shiravi, A. 2012. Diet of the Grass Snake, Natrix natrix (Linnaeus, 1758) (Serpentes: Colubridae), in northern Iran. Zoology in the Middle East 55: 132-134.

Holm, O. 1935. Vanliga snokens utbredning i Nörrland [The distribution of the grass snake in Nörrland]. (In Swedish). Fauna och Flora (Uppsala) 1934(6): 241-257.

Homann, K. 1976. Ringelnatter als Beute des Haubentauchers. Falke 23(8): 267.

Horton, B.J. 1902. The habits of the grass-snake (Tropidonotus natrix) in confinement. The Zoologist (London) 4(6): 356.

Howard, D.W. 1955. Report on reptiles. Report Bryanston School Natural History Society 1954: 16-17.

Hudson, N.L. 1966. A survey of road mortality in mammals (and including data for the grass snake and common frog). Journal of Zoology (London) 148: 576-579.

Hutinec, B.J.; Mebert, K. 2011. Ecological partitioning between dice snakes (Natrix tessellata) and grass snakes (Natrix natrix) in southern Croatia. Mertensiella 18: 225-233.

Hutwalker, A. 2017. Herpetologische Eindrücke einer Wanderreise im zentralen Elbursgebirge, Nordiran. Sauria (Berlin) 39(3): 25-30.

Hvass, H. 1941. Hvor lang er Danmarks længste Snog? [How long is the longest Danish grass snake]. (In Danish). Flora og Fauna (Copenhagen) 1941(1-3): 55-59.

Idrisova, L.A.; Khairutdinov, I.Z. 2016. Fluktuiruyuschaya asimmetriya folidoza obyknovennogo uzha Natrix natrix (Linnaeus, 1758) v zapadnoi chasti respubliki Tatarstan. [Fluctuating Asymmetry of Pholidosis in Grass Snake (Natrix Natrix, L., 1758) from Western Part of the Tatarstan Republic]. (In Russian). Izvestiya Saratovskogo Universiteta Seriya Khimiya Biologiya Ekologiya 16(2): 190-197

Idrisova, L.A.; Khairutdinov, I.Z. 2018. The effect of incubation temperature on the morphological features of Grass Snake Natrix natrix (Linnaeus, 1758) (Ophidia: Colubridae). Russian Journal of Herpetology 25(4): 283-292.

Ilgaz, C.; Baran, I.; Kumlutas, Y. 2005. First record of Natrix megalocephala Orlov and Tuniyev, 1986 (Reptilia: Ophidia: Colubridae) from Turkey. Russian Journal of Herpetology 12(2): 111-112.

Ioannidis, Y.; Mebert, K. 2011. Habitat preferences of Natrix tessellata at Strofylia, northwestern Peloponnese, and comparison to syntopic N. natrix. Mertensiella 18: 302-310.

Ion, I.; Zamfirescu, S.R.; Zamfirescu, O.; Gaucan, D. 2006. Observations on reptile populations from the zone Probota-Perieni (Iasi county). Analele Stiintifice ale Universitatii "Al. I. Cuza" din Iasi Sectiunea Biologie Animala 52: 197-204.

Isaac, L.A.; Gregory, P.T. 2004. Thermoregulatory behaviour of gravid and non-gravid female Grass Snakes (Natrix natrix) in a thermally limiting high-latitude environment. Journal of Zoology (London) 264(4): 403-409.

Isaac, L.A.; Gregory, P.T. 2007. Aquatic versus terrestrial locomotion: comparative performance of two ecologically contrasting species of European natricine snakes. Journal of Zoology (London) 273(1): 56-62.

IUCN European Reptile & Amphibian Specialist Group. 1996. Natrix natrix. The IUCN Red List of Threatened Species 1996: e.T14368A4436775. http://dx.doi.org/10.2305/IUCN.UK.1996.RLTS.T14368A4436775.en.

Ivanovsky, V.; Shamovich, D. 2011. Ecology of short-toed eagle in Belarusian Poozerie. Berkut 20(1-2): 81-89.

Jablonski, D.; Hegner, D.; Smolinský, R. 2017. Natural history notes: Natrix natrix (Grass Snake). Maximum elevation. Herpetological Review 48(1): 215.

Jandzik, D. 2004. Partial melanism in the Grass Snake Natrix natrix (Reptilia: Colubridae) from northeastern Slovakia. Acta Zoologica Universitatis Comenianae 46(2): 75-77.

Jandzik, D. 2005. Record of a black-coloured Natrix in northeastern Turkey, with comments on the validity of the bigheaded Grass Snake, Natrix megalocephala Orlov & Tunijev, 1987. Zoology in the Middle East 34: 27-34.

Janisch, M. 1973. Occurrence of the ringed snake of peculiar shape and designs along the upper Tisza. Tiscia 8: 95.

Janssen, I. 2008. Verbreitung und Bestandssituation der Ringelnatter (Natrix natrix) in den Niederlanden. Mertensiella 17: 31-37.

Janssen, I.; Voelkl, W. 2008. Gibt es räumlich und zeitlich getrennete Teilhabitate bei der Ringelnatter (Natrix natrix Linnaeus, 1758). Mertensiella 17: 162-172.

Jensen, J.K.; Warncke, E. 1984. [Amphibians, reptiles and small mammals in and around selected spring areas in Jutland, Denmark]. (In Danish, English summary). Flora og Fauna 90(2): 64.

Jiresch, W. 1994. Zur Vogelwelt des unteren Rannatales (Oberösterreich) in der Brutzeit 1993 (mit einem Anhang über das Vorkommen von Amphibien und Reptilien). Vogelkundliche Nachrichten aus Oberösterreich Naturschutz Aktuell 2(1): 22-27.

Jofre, G.M.; Warn, M.R.; Reading, C.J. 2016. The role of managed coniferous forest in the conservation of reptiles. Forest Ecology and Management 362: 69-78.

Johansen, B.S. 2004. Buormen spiser og elsker samtidig! [The Grass Snake can eat and love at the same time!]. (In Norwegian). Fauna (Oslo) 56(4): 172-173.

Jost, U.; Jost, H. 2012. [A grass snake eats a freshwater snail]. Elaphe 1(1): 89.

Kabisch, K. 1967. Massen-Eiablageplätze der Ringelnatter, Natrix natrix (L.) in Mecklenburg. Salamandra 3: 9-15.

Kabisch, K. 1970. 'Feinde' der Ringelnatter, Natrix natrix L. Aquarien Terrarien 17: 410-413.

Kabisch, K. 1975. Zum Totstellen der Ringelnatter (Natrix natrix (L.)). Abhandlungen und Berichte des Naturkundlichen Museums 'Mauritianum' Altenberg 9(1): 65-67.

Kabisch, K. 1985. Schlupf von Zwillingen bei der Ringelnatter Natrix natrix (L.). Aquarien Terrarien 32(7): 244-246.

Kabisch, K. 1999. Natrix natrix - Ringelnatter. pp. 513-580. In: Böhme, W. (ed.). Handbuch der Reptilien und Amphibien Europas. Band 3/II: Schlangen (Serpentes) II (Colubridae 2: Boiginae, Natricinae). Aula-Verlag, Wiesbaden. pp. 481-815.

Kabisch, K. 2007. Sankt Neofytos- Schutzheiliger der Zyprischen Ringelnatter. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 60(1): 60-61.

Kabisch, K. 2016. Zu den Eiablageorten, insbesondere den Massen­eiablageplätzen der Ringelnatter, Natrix natrix (LINNAEUS, 1758). Sauria (Berlin) 38(2): 3-25.

Kabisch, K.; Kästle, W. 2014. Zum vorkommen melanistischer Ringelnattern, neue Beobachtungen im Oberen Priental und weitere Höhenfunde der Art in den Chiemgauer Alpen. Sauria (Berlin) 36(2): 3-19.

Kabisch, W. 2017. Zum Nahrungsspektrum der Ringelnatter, Natrix natrix (Linnaeus, 1758). Sauria (Berlin) 39(2): 13-34.

Kammel, W. 2009. Jahres- und Tagesrhythmen in der Aktivität und Beobachtungshäufigkeit dreier mittelEuropäischer Schlangenarten (Squamata: Serpentes: Colubridae). Herpetozoa 22(1-2): 3-9.

Karaman, S.L. 1948. Prilog herpetologiji sjeverne Srbije. Prirod. Istraz. mat.-priv. Razred 24: 51-74.

Karmyshev, Y.V.; Manuilova, O.N. 2003. [Morphological variability of the Grass Snake (Natrix natrix) in the south of Ukraine]. (In Russian, English summary). Vestnik Zoologii 37(4): 81-82, 96.

Käsewieter, D. 2001. Ungewöhnlicher Eiablageplatz der Ringelnatter (Natrix natrix). Salamandra 37(1): 59-60.

Kastner, A.; Partzsch, M.; Buschendorf, J. 1993. Phytozonose und Herpetofauna der Gewasser- und Grabensysteme in einer stark anthropogen beeinflussten Landschaft - zu landeskulturellen Aufgabenstellungen in Sachsen/Anhalt am Beispiele des Kreises Kothen. Archiv für Naturschutz und Landschaftsforschung 32(4): 243-271.

Kery, M. 2002. Inferring the absence of a species: A case study of snakes. Journal of Wildlife Management 66(2): 330-338.

Kindler, C.; Böhme, W.; Corti, C.; Gvozdik, V.; Jablonski, D.; Jandzik, D.; Metallinou, M.; Siroky, P.; Fritz, U. 2013. Mitochondrial phylogeography, contact zones and taxonomy of grass snakes (Natrix natrix, N. megalocephala). Zoologica Scripta 42(5): 458-472.

Kindler, C.; Bringsøe, H.; Fritz, U. 2014. Phylogeography of Grass Snakes (Natrix natrix) all around the Baltic Sea: implications for the Holocene colonization of Fennoscandia. Amphibia-Reptilia 35(4): 413-424.

Kindler, C.0.; Fritz, U. 2014. Neue genetische Erkenntnisse zur Taxonomie und Phylogeographie der Ringelnatter (Natrix natrix) sowie der Großkopfringelnatter (N. megalocephala). Zeitschrift für Feldherpetologie 21(1): 1-14.

Kirin, D.A. 1994. [Metaleptophallus gracillimus (Luhe, 1909) (family Plagiorchidae, Luhe, 1901) and Cephalogonimus retusus (Dujardin, 1845), Poirir, 1886 (family Cephalogonimidae, Nicol, 1915), new species for the helminth fauna of reptiles (Reptilia) in Bulgaria]. Plovdivski Universitet "Paisij Khilendarski" Nauchni Trudove Biologiya Animalia 30(6): 41-46.

Kjærgaard, J. 1982. [Colour variation in Danish reptiles]. (In Danish). Nordisk Herpetologisk Forening 25(8): 190-204.

Kleindorfer, S.; Hoi, H. 1997. Nest predation avoidance: an alternative explanation for male incubation in Acrocephalus melanopogon. Ethology 103(8): 619-631.

Klenina, A.; Bakiev, A.G. 2014. [On the correlation between the shape of eggs and their quantity in the clutches of Grass snake Natrix natrix (Linnaeus, 1758)]. (In Russian). Principy Ekologii 3(4): 36-45.

Klenina, A.A. 2014. [Reproductive biology of water snakes (Serpentes, Colubridae, Natrix) in Samara region]. (In Russian). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 16(5 5): 1685-1690.

Klesius, T.; Jorias, H. 2016. Die Ringelnatter - Natrix natrix. Natur und Tier-Verlag, Münster. 94 pp.

Knysh, N.P.; Stativa, A.I. 2009. [Kills of the Smooth Snake Coronella austriaca (Reptilia, Colubridae), (and other species of reptiles) on the highways of Sumy Region]. (In Russian). Vestnik Zoologii 43(2): 106.

Kobel, H.R. 1967. Morphometrische Karyotypanalyse einiger Schlangenarten. Genetica (Gravenhage) 38: 1-31.

Kolosvary, G.V. 1957. Das Leben der Tisza. I. Über die Tierwelt der Tisza und ihrer Inundationsgebiet. Acta biol., Szeged N.S. 3(1-2): 81-108.

Kordges, T. 2008. Ringelnatter-Erfassung mittels Lokalpresse - ein kurzer Erfahrungsbericht aus dem Raum Hattingen. Mertensiella 17: 143-150.

Kordges, T.; Mueller, D. 2012. [Recording, ecology and conservation of the largest grass snake population (Natrix natrix) in the Ruhr area (North Rhine-Westphalia)]. (In German). Zeitschrift für Feldherpetologie 19(1): 21-36.

Korsos, Z. 1995. A nadhoz kotodo allatok. Keteltuek (Amphibia). Hullok (Reptilia). [Animals associated with reeds. Amphibia. Reptilia]. (In Hungarian). Studia Naturalia 8: 96-98.

Kosciow, R. 2006. Zaskronce Natrix natrix w pokarmie pustulki Falco tinnunculus [Grass Snakes Natrix natrix in the kestrel Falco tinnunculus diet]. (In Polish, English summary). Notatki Ornitologiczne 47(2): 140-142.

Kosov, S.V.; Shklyarov, L.P. 1981. [On the ecology of Natrix natrix in Byelorussia]. pp. 72. (In Russian). In: Darevsky, I.S., Ananjeva, N.B., Barkagan, Z.S., Borkin, L.Y., Sokolova, T.M. & Shcherbak, N.N. (eds.). The problems of herpetology: abstracts. Nauka, Leningrad. 163 pp.

Kovacs, G. 2010. Vizisiklot zsakmanyolo ugartyukot (Burhinus oedicnemus) zaklato szarkak (Pica pica) [Magpies (Pica pica) attacking stone curlew (Burhinus oedicnemus) to steal grass snake prey]. Aquila 116-117 [2009-2010]: 129, 134.

Kowalewski, L. 1985. [Amphibians and reptiles in the Swietokrzyski National Park]. (In Polish, English summary). Fragmenta Faunistica (Warsaw) 29(12): 235-274.

Kramer, E. 1959. Die gemeine Ringelnatter Natriz natrix natrix (Linnaeus 1758) und die Barrenringelnatter Natrix natrix helvetica (Lacepede 1789) in der Schweiz. Aquaria (Bern) 6: 29-31.

Kramer, E.; Linder, A.; Mermillod, B. 1982. Systematische Fragen zur europäischen Schlangenfauna. Vertebrata Hungarica 21: 195-201.

Kratzer, H. 1974. Beobachtungen über den Nahrungserwerb bei der Milos-Ringelnatter (Natrix natrix schweizeri). Salamandra 10(2): 49-54.

Kuehnel, K.D.; Nabrowsky, H. 2008. Das Artenhilfsprogramm für die Ringelnatter (Natrix natrix) in Berlin und seine Umsetzung - ein Fallbeispiel. Mertensiella 17: 214-224.

Kuhnel, K.D. 1993. Die Ringelnatter (Natrix natrix) in Berlin - Untersuchungen für ein Artenhilfsprogramm in einem urbanen Ballungsraum. Mertensiella 3: 211-225.

Kuppler, O. 2001. Weissstorch-Nestling erstickt an Ringelnatter. Ornithologische Mitteilungen 53(1): 32.

Lanigan, D.; Lanigan, G. 1978. Kestrel captures a grass snake. Countryside N.S. 23(8): 419.

Lantermann, W.; Lantermann, Y. 2007. Würfel- (Natrix tessellata) und Ringelnattern (Natrix natrix) am ungarischen Plattensee. Elaphe 15(2): 60-64.

Lantermann, W.; Lantermann, Y. 2011. Notizen zu einer Ringelnatter-population an einem Angelteich in Mecklenburg-Vorpommern. Elaphe 19(1): 73-76.

Lantermann, Y.; Lantermann, W. 2008. Fotoimpressionen von Ringelnattern (Natrix natrix) in Mecklenburg-Vorpommern. Elaphe 16(3): 53-58.

Laufer, H. 2008. Verbreitung und Bestandssituation der Ringelnatter (Natrix natrix) in Baden-Württemberg. Mertensiella 17: 48-58.

Laussmann, T.; Wiemert, T. 2001. Die Grossschmetterlingsfauna in der Umgebung des stillgelegten Bahngeländes am Schee (Ennepe-Ruhr-Kreis). Jahresberichte des Naturwissenschaftlichen Vereins in Wuppertal 54: 89-109.

Legendre, R. 1929. La couleuvre a collier en mer. Bull. Lab. Mus. Hist, nat. St. Servan 4: 7.

Lenders, H.J.R.; Janssen, I.A.W. 2014. The Grass Snake and the Basilisk: from pre-Christian protective house god to the Antichrist. Environment and History 20(3): 319-346.

Leo, F. de; Donelli, O.; Scali, S. 2006. Use of natural and artificial shelters in a snake community of northern Italy. pp. 25-31. In: Zuffi, M.A.L. (ed.). Societas Herpetologica Italica. Atti del V Congresso Nazionale: Calci (PI), 29 settembre - 3 ottobre 2004. Firenze University Press, Firenze. 270 pp.

Lester, J.W. 1952. Interbreeding of the grass snake (Natrix natrix) in captivity. British Journal of Herpetology 1: 113-114.

Lierath, W. 1954. Natternleben. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 7: 237-238.

Litvinchuk, S.N.; Kuranova, V.N.; Kazakov, V.I.; Schepina, N.A. 2013. A northernmost record of the Grass Snake (Natrix natrix) in the Baikal Lake region, Siberia. Russian Journal of Herpetology 20(1): 43-50.

Litvinov, N.A.; Ganshchuk, S.V. 2012. [Body temperature of the common grass-snake Natrix natrix (Linnaeus, 1758) in the natural habitat in the Volga basin and in the experiment]. (In Russian). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 14(1): 154-157.

Litvinov, N.I. 1993. [Reptiles] (In Russian). pp. 222-231. In: Sonin, V.D. (ed.). Redkie zhivotnye Irkutskoi oblasti: nazemnye pozvonochnye. [Rare animals of the Irkutsk region: terrestrial vertebrates.] Oblinformpechat, Irkutsk. 255 pp.

Lotze, H.U. 1972. Doppelte Eiablage einer Milos-Ringelnatter (Natrix natrix schweizeri). Salamandra 8(3-4): 178-179.

Lowenborg, K.; Gotthard, K.; Hagman, M. 2012. How a thermal dichotomy in nesting environments influences offspring of the world's most northerly oviparous snake, Natrix natrix (Colubridae). Biological Journal of the Linnean Society 107(4): 833-844.

Lowenborg, K.; Hagman, M. 2017. Scale asymmetries and lateral rib duplication in snakes: correlates and effects on locomotor performance. Biological Journal of the Linnean Society 120(1): 189-194

Lowenborg, K.; Karvemo, S.; Hagman, M. 2009. Snokens vanor kartläggs [The habits of the Grass Snake being investigated]. (In Swedish). Fauna och Flora (Stockholm) 104(2): 42-45.

Lowenborg, K.; Karvemo, S.; Tiwe, A.; Hagman, M. 2012. Agricultural by-products provide critical habitat components for cold-climate populations of an oviparous snake (Natrix natrix). Biodiversity and Conservation 21(10): 2477-2488.

Lowenborg, K.; Shine, R.; Hagman, M. 2011. Fitness disadvantages to disrupted embryogenesis impose selection against suboptimal nest-site choice by female grass snakes, Natrix natrix (Colubridae). Journal of Evolutionary Biology 24(1): 177-183.

Lowenborg, K.; Shine, R.; Karvemo, S.; Hagman, M. 2010. Grass snakes exploit anthropogenic heat sources to overcome distributional limits imposed by oviparity. Functional Ecology 24(5): 1095-1102.

Luiselli, L. 1996. Individual success in mating balls of the grass snake, Natrix natrix: size is important. Journal of Zoology (London) 239(4): 731-740.

Luiselli, L.; Capula, M. 1997. Comparison of female reproductive ecology in sympatric colubrid snakes (Natrix natrix and Coronella austriaca) from the Eastern Italian Alps. Bulletin de la Societe Herpetologique de France 78: 19-28.

Luiselli, L.; Capula, M.; Shine, R. 1997. Food habits, growth rates, and reproductive biology of grass snakes, Natrix natrix (Colubridae) in the Italian Alps. Journal of Zoology (London) 241(2): 371-380.

Luiselli, L.; Filippi, E.; Capula, M. 2005. Geographic variation in diet composition of the Grass Snake (Natrix natrix) along the mainland and an island of Italy: The effects of habitat type and interference with potential competitors. Herpetological Journal 15(4): 221-230.

Madsen, T. 1983. Growth rates, maturation and sexual size dimorphism in a population of grass snakes Natrix natrix, in southern Sweden. Oikos 40(2): 277-282.

Madsen, T. 1984. Movements, home range size and habitat use of radio-tracked grass snakes (Natrix natrix) in southern Sweden. Copeia 1984(3): 707-713.

Madsen, T. 1987. Are juvenile grass snakes, Natrix natrix, aposematically coloured? Oikos 48(3): 265-267.

Madsen, T. 1987. Cost of reproduction and female life-history tactics in a population of grass snakes, Natrix natrix, in southern Sweden. Oikos 49(2): 129-132.

Madsen, T. 1987. Natural and sexual selection in grass snakes, Natrix natrix, and adders, Vipera berus. Thesis, University of Lund, Lund. 108 pp.

Madsen, T.; Shine, R. 1993. Male mating success and body size in European grass snakes. Copeia 1993(2): 561-564.

Madsen, T.; Shine, R. 1993. Phenotypic plasticity in body sizes and sexual size dimorphism in European grass snakes. Evolution 47(1): 321-325.

Makinen, H.L. 1977. A grass snake, Natrix natrix (L.), measuring 134 cm, the longest one found in Finland. Luonnon Tutk. 81(5): 149.

Malkmus, R. 1984. Totstellen bei der Ringelnatter Natrix natrix. Herpetofauna (Weinstadt) 6(33): 6-10.

Mangili, E. 1947. Osservazioni su la riproduzione in cattivita di alcune specie di ofidii Italiani. Acta pont.acad. Scient. 11(20): 235-246.

Manteuffel, D. 1993. Bericht über Reptilienfunde in der Türkei. Salamandra 28(3-4): 223-230.

Marián, M. 1958. Das Leben der Tisza. IV. Die Tierwelt der Tisza auf Grund neuerer Sammlungen und Beobachtungen. II. Die Herpeto-Fauna. Acta Biol., Szeged N.S. 4(3-4): 227-228.

Marián, M. 1967. Zoologische aufklärungsreise im Mündungsgebiet der Tisza (Herpetologische Beobachtungen). Tiscia 1967(3): 83-90.

Martens, H. 1996. The rediscovery of the grass snake Natrix natrix (L.) in the Levant. Zoology in the Middle East 12: 59-64.

Maximova, E.M.; Utina, I.A.; Reshetnikov, A.N. 1996. Centrifugal nerve in the grass-snake's retina. Sensornye Sistemy 10(3): 88-90.

Maxinová, E.; Dobrý, M.; Uhrin, M. 2018. Natural history notes: Natrix natrix (European Grass Snake). Diet. Herpetological Review 49(2): 348.

Meek, R. 1983. Notes on the incubation of the eggs of the grass snake, Natrix natrix natrix. British Herpetological Society Bulletin 6 [1982]: 36-38.

Meister, B. 2008. Literaturbeiträge zur Ringelnatter (Natrix natrix). Mertensiella 17: 272-304.

Meister, B.; Baur, B. 2013. Die Ringelnatter im Schweizer Landwirtschaftsgebiet - Einfluss unterschiedlich genutzter Landschaften auf die genetische Populationsstruktur. Haupt, Bern. 112 pp.

Meister, B.; Hofer, U.; Ursenbacher, S.; Baur, B. 2010. Spatial genetic analysis of the grass snake, Natrix natrix (Squamata: Colubridae), in an intensively used agricultural landscape. Biological Journal of the Linnean Society 101(1): 51-58.

Merk-Buchberg, M. 1912. Zur Ernährungsweise der Ringelnatter, Tropidonotus natrix. Zool. Beob. (Frankfurt am Main) 53: 210-212.

Mertens, D. 1994. Some aspects of thermoregulation and activity in free-ranging grass snakes (Natrix natrix L.). Amphibia-Reptilia 15(3): 322-326.

Mertens, D. 1995. Population structure and abundance of grass snakes, Natrix natrix, in central Germany. Journal of Herpetology 29(3): 454-456.

Mertens, D. 2008. Untersuchungen zur Ökologie der Ringelnatter - Ergebnisse einer radiotelemetrischen Freilandstudie. Mertensiella 17: 151-161.

Mertens, R. 1947. Studien zur Eidonomie und Taxonomie der Ringelnatter (Natrix natrix). Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft (Frankfurt) 476: 1-38.

Mertens, R. 1964. A longevity record for a hybrid watersnake. Herpetologica 20: 134.

Mertens, R. 1966. Über die sibirische Ringelnatter, Natrix natrix scutata. Senckenbergiana Biologica 47: 117-119.

Merwald, F. 1965. Die Reptilien und Amphibien der Steyregger Auen. Naturkundliches Jahrbuch Stadt Linz 1965: 307-318.

Merzlikin, I.R. 2004. [About an attack of tree sparrow on Grass Snake]. (In Russian, English summary). Berkut 13(1): 121.

Meyer, A.; Monney, J.C. 2008. Zur Situation der Ringelnatter, Natrix natrix (Linnaeus, 1758), in der Schweiz. Mertensiella 17: 38-47.

Mittelholzer, A. 1953. Amphibien und Reptilien. Mitt. Aargau. Naturf. Ges. 1953: 174-185.

Mollov, I.A. 2012. Another case of melanism in the Grass snake Natrix natrix (Linnaeus, 1758) (Reptilia: Colubridae) from Bulgaria. ZooNotes 28: 1-3.

Moravec, J. 2003. Some notes on the population of dwarfed Emys orbicularis from Pag (Croatia). Casopis Narodniho Muzea Rada Prirodovedna 172(1-4): 55-60.

Morozenko, N.V.; Zavialov, E.V.; Shlakhtin, G.V.; Yeliseyev, D.V.; Tabachishina, I.E. 2002. The degree of intrepopulation differences of a Grass-Snake (Natrix natrix) in Nizhneye Povolzhye on the basis of multilateral analysis of folidosis signs. Russian Journal of Ecology 2002(3): 288-292.

Mossman, A.; Culhane, K.; Miller, Z.; Brock, K.M.; Panayiotis, P.; Donihue, C.M. 2016. Natrix natrix (Linnaeus, 1758), found on the small islet of Tigani (Central Cyclades, Greece). Herpetozoa 29(1-2): 107-109.

Mouchet, M. 1950. Sur un specimen de Coluber (Elaphis) quaterradiatus Gmel.; tue a Arbonne en 1943. Y aurait-il identite entre Coluber quaterradiatus et C. aesculapii forma romanus? Ovoviviparite de Coronella austriaca. Sur la frequence des ophidiens dans le Massif de Fontainebleau. Bull. Ass. Nat. Loing 26(10): 107-108.

Mueller, W.R. 2004. Zur Phänologie der Reptilien im nördlichen Niederrheinischen Tiefland, Nordrhein-Westfalen. Zeitschrift für Feldherpetologie 11(2): 167-178.

Muench, D. 2004. Wiedernachweis der Ringelnatter (Natrix natrix) in Dortmund im Juni 2003. Elaphe 12(1): 50-54.

Müller, L.; Mertens, R. 1931. Kritische Bemerkungen über die wissenschaftlichen Namen einiger Amphibien und Reptilien Europas [Reply by Hecht 182]. Zoologischer Anzeiger 92(11/12): 289-300.

Müller, L.; Mertens, R. 1932. Über Natrix gronoviana Laurenti. Zoologischer Anzeiger 99: 82-86.

Müller, L.; Mertens, R. 1932. Über zwei angebliche Unterarten der Ringelnatter, Natrix natrix Linne. Zoologischer Anzeiger 99: 18-27.

Munch, D.; Hallmann, G. 1997. Die Situation der Amphibien und Reptilien in Dortmund im Jahre 1996. Dortmunder Beiträge zur Landeskunde 31: 175-190.

Nagy, Z.T. 2001. Verletzungen und Antipraedator-Reaktionen in einer ungarischen Ringelnatter-Population (Natrix natrix (L.)). Salamandra 37(2): 117-121.

Nagy, Z.T.; Bereczki, Z.; Korsos, Z. 1999. Adatok a vizisiklo (Natrix natrix (L.)) populaciobiologiajahoz a szegedi Feher-tavon. [Contribution to the population biology of the grass snake (Natrix natrix (L.)) at the Szeged Feher Lake, southern Hungary.] (In Hungarian, English summary). Állattani Közlemenyek 84: 53-62.

Nagy, Z.T.; Korsós, Z. 1999. Data on movements and thermal biology of grass snake (Natrix natrix L.) using radiotelemetry. pp. 339-343. In: Miaud, C. & Guyetant, R. (eds.). Current studies in herpetology: proceedings of the 9th Ordinardy General Meeting of the Societas Europaea Herpetologica 25-29 August 1998, Le Bourget du Lac, France. Societas Europaea Herpetologica, Le Bourget du Lac, 478 pp.

Nagy, Z.T.; Korsos, Z. 2001. Morphological studies on Grass Snakes, Natrix natrix (L.) in a Hungarian population. pp. 107-114. In: Valakos, E.; Lymberakis, P.; Pafilis, P. & Mylonas, M. (eds.). Herpetologia candiana. Natural History Museum of Crete, Irakleio. 151 pp.

Naulleau, G. 1964. Premieres observations sur le comportement de chasse et de capture chez les vipères et les couleuvres. La Terre et la Vie (Paris) 3: 54-76.

Naumov, B.; Tomovic, L.M. 2005. A case of melanism in Natrix natrix (Linnaeus, 1758) (Reptilia: Colubridae) in Bulgaria. Acta Zoologica Bulgarica 57(2): 253-254.

Neumann, V.; Buschendorf, J. 1995. Zum Vorkommen der Ringelnatter (Natrix natrix (L.)) im Stadtgebiet von Halle (Saale) und Umgebung. Hercynia 29(3): 335-348.

Newton, R.J. 1976. A grass snake goes fishing. Country-side 23(2): 103-104.

Nilson, G.; Andrén, C. 1981. Morphology and taxonomic status of the grass snake Natrix natrix (L.) (Reptilia, Squamata, Colubridae) on the Island of Gotland, Sweden. Zoological Journal of the Linnean Society 72(4): 355-368.

Nilson, G.; Andrén, C. 1981. Reply to R.S. Thorpe's comment on the Gotland grass snake. Zoological Journal of the Linnean Society 72(4): 371-372.

Nöllert, A. 1982. Einige Bemerkungen zum Totstellen der Ringelnatter, Natrix n. natrix (L.). Aquarien Terrarien 29(9): 320.

Nothdurft, W.; Gartner, G.; Nothdurft, J. 1981. Über die Verbreitung der Ringelnatter (Natrix natrix L.) im Wastharz. Beiträge zur Naturkunde Niedersachsens 33(3): 103-108.

Olsen, H. 1983. [Observation of autumn mating records in the grass snake Natrix natrix]. (In Danish). Flora og Fauna 89(2): 49.

Orlov, N.L.; Ananjeva, N.B. 1995. Distribution of amphibians and reptiles and their relict populations in the Gulf of Finland and Lake Ladoga. Memoranda Societatis Pro Fauna et Flora Fennica 71(3-4): 109-112.

Orlov, N.L.; Tuniyev, B.S. 1987. New species of the grass snake from the Caucasus, Natrix megalocephala sp. nov. Trudy Zoologicheskogo Instituta Akademii Nauk SSSR 158: 116-130, 7.

Orlov, N.L.; Tuniyev, B.S. 1992. A new species of grass snake, Natrix megalocephala, from the Caucasus (Ophidia: Colubridae). Asiatic Herpetological Research 4: 42-54.

Orlov, N.L.; Tuniyev, B.S. 1999. Natrix megalocephala - Grosskopf-Ringelnatter. pp. 505-512. In: Böhme, W. (ed.). Handbuch der Reptilien und Amphibien Europas. Band 3/II: Schlangen (Serpentes) II (Colubridae 2: Boiginae, Natricinae). Aula-Verlag, Wiesbaden. pp. 481-815.

Ovezmukhammedov, A. 1978. [On the occurrence of coccids in a grass-snake (Natrix natrix persa Pallas, 1813) in Turkmenistan]. (In Russian). Izvestiya Akademii Nauk Turkmenskoi SSR Seriya Biologicheskikh Nauk 1978(5): 85-87.

Paracuellos, M. 2001. Geographic distribution: Natrix natrix (Grass Snake). Herpetological Review 32(1): 61.

Pastors, J. 2001. Langzeitbeobachtungen und Biotop-Pflegemassnahmen in einem Zauneidechsen-Lebensraum in Wuppertal-Kronenberg. Jahresberichte des Naturwissenschaftlichen Vereins in Wuppertal 54: 68-77.

Pavlik, P. 2009. Plazi a obojzivelnici katastru obce Petrovice u Karvine (Ceska republika) [Reptiles and amphibians recorded from the area of Petrovice u Karvine (Czech Republic)]. (In Czech). Acta Musei Beskidensis 1: 109-114.

Petrova, I.V.; Gazizov, R.R.; Savelyev, A.A.; Pavlov, A.V. 2008. Preliminary results of modeling and spatial distribution estimating of Natrix natrix in Saralinsk part of Volga-Kama State Nature Biosphere Reserve. pp. 341-346. In: Ananjeva, N.B.; Danilov, I.G.; Dunayev, E.A.; Ischenko, V.G.; Lada, G.A.; Litvinchuk, S.N.; Orlova, V.F.; Smirina, E.M.; Tuniyev, B.S. & Khalikov, R.G. (eds.). The problems of herpetology. Proceedings of the 3rd meeting of the Nikolsky Herpetological Society, 9-13 October 2006, Putschino. Russian Academy of Sciences, St. Petersburg. 467 pp.

Pfaff, J.R. 1935. Ist die Natter (Natrix natrix) der Insel Bornholm rassenverschieden von der des übrigen Dänemark? Mit einen Anhang betreffend die Verbreitung der glatten Natter (Coronella austriaca) in Dänemark. Zoogeographica (Jena) 3: 96-118.

Pfletschinger, H. 1983. Verfolgte Unschuld: die Ringelnatter. Kosmos (Stuttgart) 79(10): 34-40.

Phelps, T. 2003. Natrix natrix (Grass Snake): unusual markings. Herpetological Bulletin 86: 28-29.

Picariello, O.; Scillitani, G.; Fritz, U.; Günther, R.; Mutschmann, F. 1993. Zur Herpetofauna Süditaliens. Teil 2. Die Amphibien und Reptilien des Picentini-Gebirges (Apennin, Kampanien). 2. Reptilien. Herpetofauna (Weinstadt) 15(86): 11-16.

Pikulik, M.M.; Kosov, S.V. 1988. [The phenogeography of the background species of herpetofauna in Belarus]. pp. 125-132. (In Russian). In: Yablokov, A.V. (ed.). [Fenetika prirodnykh populyatsii.] [Phenetics of natural populations.] Nauka, Moskva. 209 pp.

Pocock, R.I. 1926. Two interesting reptiles in the Zoological Gardens. Field (London) 148(3845): 419.

Podloucky, R. 2008. Verbreitung, Bestandssituation und Schutz der Ringelnatter (Natrix n. natrix) in Niedersachsen. Mertensiella 17: 68-83.

Pokrant, F.; Kindler, C.; Vamberger, M.; Smith, K.T.; Fritz, U. 2017. Grass snakes (Natrix natrix, N. astreptophora) mimicking cobras display a 'fossil behavior'. Vertebrate Zoology 67(2): 261-269

Pomarnacki, L. 1986. [In defence of the grass snake Natrix natrix]. (In Polish). Wszechswiat 87(3): 66-67.

Poschadel, J.R.; Kirschey, T. 2002. Aasfressen bei der Ringelnatter (Natrix n. natrix). Zeitschrift für Feldherpetologie 9(2): 223-226.

Post, L.O.A. von 1950. Fynd av kolsvast snok (Tropidonotus natrix L.). Svensk Faunistisk Revy 12(4): 110-111.

Procter, J.B. 1926. A note on an albino grass-snake. Proceedings of the Zoological Society of London 1926: 1095-1096.

Prsa, A. 1954. Une contribution a la connaissance de l'herpetofaune du lac de Palic et de ses environs immediats. St. Mat. Srpske Ser. Priv. Nauka 7: 81-87.

Przibram, H. 1919. Die Häutungs-Progression der Ringelnatter (Tropidonotus natrix L.) als Typus des "Ballastwachstums". Anat. Hefte Wiesbaden 57: 547-559.

Pynnonen, A. 1957. Über die Reichlichkeit der Fische und Reptilien im Kirchspiel Konnevesi einst und jetzt. Arch. Soc. Zool. Bot. Fenn. Vanamo (Helsinki) 11(2): 171-182.

Quaade, P. 1974. Det sker nu - April - snogen vågner. Naturens Verden 1974(4): 133.

Reading, C.J. 2004. The influence of body condition and prey availability on female breeding success in the Smooth Snake (Coronella austriaca Laurenti). Journal of Zoology (London) 264(1): 61-67.

Reese, D.S.; Hadjisterkotis, E. 1994. The conservation of the endemic grass snake Natrix natrix cypriaca in Cyprus. British Herpetological Society Bulletin 50: 20-22.

Reichholf, J.H. 1998. Reptilienrückgang durch Einstellung der Bewirtschaftung von Dammen. Archives of Nature Conservation and Landscape Research 37(2): 141-148.

Reznitschek, K.P.; Wischniewski, A.; Wischniewski, W.M. 1977. Die Amphibien und Reptilien des Burgholzes. Jahresberichte des Naturwissenschaftlichen Vereins in Wuppertal 30: 46-55.

Ritter, A.; Nollert, A. 1993. Beobachtungen an einem Winterquartier der Ringelnatter, Natrix n. natrix (Linnaeus 1758), im östlichen Mecklenburg/Vorpommern. Mertensiella 3: 189-198.

Rogers, G.M. 1901. Food of grass snakes. Nature 65: 31.

Roon, J. van; Dicke, I.; Brinks, R.; Zuiderwijk, A.; Janssen, I. 2006. Capture and recapture of Grass Snakes near Amsterdam. pp. 191-192. In: Vences, M.; Köhler, J.; Ziegler, T. & Böhme, W. (eds.). Herpetologia Bonnensis II. Proceedings of the 13th Congress of the Societas Europaea Herpetologica, 27 September - 2 October 2005, Bonn, Germany. Societas Europaea Herpetologica, Bonn. 262 pp.

Rugiero, L.; Capula, M.; Luiselli, L. 2002. Population structure and habitat use in relation to body size in the Grass Snake (Natrix natrix) from a fragmented habitat of Mediterranean central Italy. Ecologia Mediterranea 28(2): 59-64.

Ryabov, S.A. 2004. [To the question on ecology of reptiles of the Tula region]. (In Russian, English summary). Biologicheskoe Raznoobrazie Tulskogo na Rubezhe Vekov 4: 66-68.

Sackl, P.; Putz, J. 2002. Eine albinotische Ringelnatter, Natrix natrix (L.) im steirischen Ennstal, Österreich (Reptilia, Squamata, Colubridae). Joannea Zoologie 4: 11-13.

Samek, R.; Samkova, L. 1992. Reptiles of the Svjatoj Nos wetlands, Lake Baikal. pp. 119-126. In: Mlikovsky, J. & Styblo, P. (eds.). Ecology of the Svjatoj Nos Wetlands, Lake Baikal: results of the Svjatoj Nos 1991 expedition. Ninox Press, Prague. 242 pp.

Scali, S.; Montonati, S.; Dimitolo, G. 2000. Analisi multivariata del dimorfismo sessuale nei natricini italiani (Reptilia, Serpentes, Colubridae) su basi biometriche. pp. 415-421. In: Giacoma, C. (ed.). Atti I Congresso Nazionale della Societas Herpetologica Italica (Torino, 2-6 Ottobre 1996). [Proceedings of the first National Congress of the Societas Herpetologica Italica (Turin, 2-6 October 1996)]. Museo Regionale di Scienze Naturali, Torino. 821 pp.

Schaeffel, F.; Mathis, U. 1991. Underwater vision in semi-aquatic European snakes. Naturwissenschaften 78(8): 373-375.

Scharon, J.; Bauer, E.; Schneider, R. 2008. Nutzen Ringelnattern (Natrix natrix) Amphibiendurchlässe? Mertensiella 17: 225-231.

Schepina, N.A. 2008. Current state of batracho- and herpetofauna of Buryat. pp. 447-452. In: Ananjeva, N.B.; Danilov, I.G.; Dunayev, E.A.; Ischenko, V.G.; Lada, G.A.; Litvinchuk, S.N.; Orlova, V.F.; Smirina, E.M.; Tuniyev, B.S. & Khalikov, R.G. (eds.). The problems of herpetology. Proceedings of the 3rd meeting of the Nikolsky Herpetological Society, 9-13 October 2006, Putschino. Russian Academy of Sciences, St. Petersburg. 467 pp.

Schiefenhoevel, P. 2010. Bestandsgrösse und Populationsstruktur einer Mischpopulation der Ringelnatter (Natrix natrix natrix und N. n. helvetica) im Naturschutzgebiet "Hartenberg/Steincheswiese" und Umgebung (Rheinland-Pfalz). Zeitschrift für Feldherpetologie 17(2): 147-169.

Schleich, H.H. 1979. Geographic distribution: Natrix natrix persa. Iran: Azarbaijn. Herpetological Review 10(2): 60.

Schmidt, U. 1995. Jungefuhrende Teichralle (Gallinula chloropus) vertreibt Ringelnatter (Natrix natrix). Ornithologische Mitteilungen 47(6): 162.

Schmidtler, J.F. 2008. Anfänge der Ringelnatter-Forschung um 1800 - eine Rückschau in Bildern. Mertensiella 17: 1-15.

Schneeweiss, N. 1989. A total albino grass snake, Natrix natrix in Berlin. Snake Keeper 3(5): 18.

Schnell, F. 1953. Junge Ringelnattern erblicken das Licht der Welt in unserer Schule. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 6: 269.

Schweizer, H. 1957. Weiteres über die Ringelnatter und Levante-Otter der West-Cycladen. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 10: 161-164.

Schweizer, H. 1967. Natrix natrix schweizeri, ein genügsamer Pflegling. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 20: 337-339.

Schweizer, H. 1968. Zwei Nachzuchten von Natrix natrix schweizeri. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 21: 219-221.

Schweizer, H. 1973. Wasserschlange Natrix natrix schweizeri L. Müller. Aquarium Aqua Terra 7(49): 286-288.

Selas, I. 2006. Da buormen mistet matlysten [When a Grass Snake lost its appetite]. (In Norwegian). Fauna (Oslo) 59(1-2): 44-45.

Senglaub, K. 2004. Die Beschreibung eines rätselhaften Tieres in der 1557 erschienenen "Moscovia" des Freiherrn Sigmund Von Herberstein (1486-1566). Sekretär 4(2): 3-9.

Sewell, D.; Baker, J.M.R.; Griffiths, R.A. 2015. Population dynamics of Grass Snakes (Natrix natrix) at a site restored for amphibian reintroduction. Herpetological Journal 25(3): 155-161.

Shiravi, A.; Hojati, V.; Faghiri, A. 2012. The reproductive cycle in the Grass Snake, Natrix natrix (Serpentes: Colubridae) in Iran. Russian Journal of Herpetology 19(3): 217-220.

Sievers, K. 1959. Im Terrarium geglückte Kreuzung zwischen Natrix n. natrix und Natrix n. persa. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 12: 375-377.

Skibinski, S. 1966. The grass snake - a vanishing animal in the environs of Chelm Lubelski. Chronmy Przyrode Ojczysta 22: 50-51.

Sparks, P.H.; Sparks, G.M.B. 1975. Grass snake watching. GNS (Gloucestershire Naturalists' Society) Journal 24(7): 230.

Stejneger, L.H. 1936. Types of the amphibian and reptilian genera proposed by Laurenti in 1768. Copeia 1936(3): 133-141.

Stemmler-Morath, C. 1935. Beitrag zur Fortpflanzungsbiologie europäischer Colubridae. Zoologische Garten N.F. (Leipzig) 8: 38-41.

Stemmler-Morath, C. 1937. Zur Gefangenschaftsbiologie von Natrix natrix und Natrix tessellatus. Zoologische Garten N.F. (Leipzig) 9: 229-230.

Stemmler-Morath, C. 1939. Imponierstellungen bei Natrix viperina (Latr.) und Natrix natrix (L.). Wochenschrift für Aquarien- und Terrarienkunde (Braunschweig) 36: 151-153.

Stevens, M.; Braun, T. 2008. Verbreitung und Schutz der Ringelnatter Natrix natrix (Linnaeus, 1758) im Raum Knechtstedener Wald, Niederrheinische Bucht. Mertensiella 17: 117-127.

Stevenson, D.J.D. 1950. Amphibians and reptiles. Rep. Oundle Sch. nat. Hist. Soc. [1950] 1949: 15.

Strugariu, A.; Hutuleac-Volosciuc, M.V.; Dinca, P.C.; Zamfirescu, S.R.; Sahlean, T.C. 2014. Smooth snake (Coronella austriaca) predation on a live grass snake (Natrix natrix) in eastern Romania. Herpetologica Romanica 8: 29-32.

Strugariu, A.; Sahlean, T.C.; Volosciuc-Hutuleac, M.V.; Puscasu, C.M. 2006. Preliminary data regarding the distribution of reptilian fauna in Suceava County (Romania). North-Western Journal of Zoology 2(1): 39-43.

Stugren, B.; Agadakos, N. 1987. Herpetologische Verhältnisse im Südosten von Peloponnes. Studia Universitatis Babes-Bolyai Biologia 32(2): 27-28.

Stumpel, A.; Podloucky, R.; Corbett, K.; Andren, C.; Bea, A.; Nilson, G.; Oliveira, M.E. 1992. Threatened reptiles in Europe requiring special conservation measures. pp. 25-34. In: Korsos, Z. & Kiss, I. (eds.). Proceedings of the 6th Ordinary General Meeting of the Societas Europaea Herpetologica, 19-23 August 1991, Budapest, Hungary. Hungarian Natural History Museum, Budapest. 531 pp.

Stumpel, A.H.P.; Werf, D.C. van der 2012. Reptile habitat preference in heathland: implications for heathland management. Herpetological Journal 22(3): 179-182.

Sukalo, G.; Dordevic, S.; Gvozdenovic, S.; Simovic, A.; Marko, A.; Blagojevic, V.; Tomovic, L. 2014. Intra- and interpopulation variability of food preferences of two Natrix species on the Balkan Peninsula. Herpetological Conservation and Biology 9(1): 123-136.

Sunderland, K. 2003. Continental Grass Snakes (Natrix natrix natrix) in Upper Airedale. Yorkshire Naturalists Union Bulletin 40: 1-3.

Szabo, I. 1956. Contributions a l'herpeto-faune de la montagne Dunazug entre Szentendre, Visegrad et Esztergom. Allattani Kozlemanyck 45(3-4): 123-131.

Szczerbak, N.N.; Szczerbak, N.N. 1981. [On distribution and ecology of some reptiles of southern eastern Siberia. pp. 125-128]. (In Russian). In: Borkin, L.Ya. (ed.). Herpetological investigations in Siberia and the Far East. Akademiya Nauk SSSR, Leningrad. 147 pp.

Tabachishin, V.G.; Tabachishina, I.E. 2002. Dissemination and particulars of ecology of the Grass Snake Natrix natrix on the north of Nizhneye Povolzhye. Russian Journal of Ecology 2002(2): 179-183.

Taborski, A.; Mlynarski, M. 1962. [Melanistic specimens of the ringed snake, Natrix natrix natrix (Linnaeus, 1758) from Bieszczady - the eastern section of Polish Carpathians]. (In Polish, English summary). Przeglad Zoologiczny 6: 184-189.

Tejado Lanseros, C. 1999. Casos de melanismo en Natrix natrix (Ophidia, Colubridae) para la provincia de Alava. Estudios del Museo de Ciencias Naturales de Alava 14: 193-195.

Terhivo, J. 1990. Relative regional abundance and colour morphs of the adder (Vipera berus L.), grass snake (Natrix natrix L.), slow worm (Angus fragilis L.) and common toad (Bufo bufo L.) in Finland. Annales Zoologici Fennici 27(1): 11-20.

Teufert, S.; Werner, M. 2008. Die Lebensräume der Ringelnatter (Natrix natrix) in der Oberlausitz. Mertensiella 17: 97-105.

Thoen, C.; Bauwens, D.; Verheyen, R.F. 1986. Chemoreceptive and behavioural responses of the common lizard Lacerta vivipara to snake chemical deposits. Animal Behaviour 34(6): 1805-1813.

Thorpe, R.S. 1975. Biometric analysis of incipient speciation in the ringed snake, Natrix natrix (L.). Experientia 31(2): 180-183.

Thorpe, R.S. 1975. Quantitative handling of characters useful in snake systematics with particular reference to intraspecific variation in the ringed snake Natrix natrix (L.). Biological Journal of the Linnean Society 7(1): 27-43.

Thorpe, R.S. 1979. Multivariate analysis of the population systematics of the ringed snake, Natrix natrix (L.). Proceedings of the Royal Society of Edinburgh Section B (Biology) 78(1-2): 1-62.

Thorpe, R.S. 1980. A comparative study of ordination techniques in numerical taxonomy in relation to racial variation in the ringed snake Natrix natrix (L.). Biological Journal of the Linnean Society 13(1): 7-40.

Thorpe, R.S. 1980. Microevolution and taxonomy of European reptiles with particular reference to the grass snake Natrix natrix and the wall lizards Podarcis sicula and P. melisellensis. Biological Journal of the Linnean Society 14(2): 215-233.

Thorpe, R.S. 1981. Racial divergence and subspecific status of the Gotland grass snake: a comment on Nilson & Andren's paper. Zoological Journal of the Linnean Society 72(4): 369-370.

Thorpe, R.S. 1983. Phylogenetic analysis of range expansion in the grass snake: reticulate evolution: primary and secondary contact zones. NATO ASI (Advanced Science Institutes) Series G Ecological Sciences 1: 464-468.

Thorpe, R.S. 1984. Multivariate patterns of geographic variation between the island and mainland populations of eastern grass snake (Natrix natrix natrix). Journal of Zoology (London) 204(4): 551-561.

Thorpe, R.S. 1989. Pattern and function of sexual dimorphism: a biometric study of character variation in the grass snake (Natrix natrix, Colubridae) due to sex and its interaction with geography. Copeia 1989(1): 53-63.

Thummel, E. 1938. Entwicklung einer in Gefangenschaft aufgewachsenen jungen Ringelnatter (Natrix n. natrix L.). Zoologische Garten (Leipzig) 10(3/4): 152.

Tiser, J. 1973. Herpetofauna ve zbytcich pevnosti v Komárne. Ochrana Fauny 6(1): 29-30.

Trautmann, T. 1950. Die Ringelnatter. Wochenschrift für Aquarien- und Terrarienkunde (Braunschweig) 44(2): 50-53.

Tuniyev, B.; Ananjeva, N.B.; Orlov, N.L.; Tuniyev, S. 2009. Natrix megalocephala (errata version published in 2017). The IUCN Red List of Threatened Species 2009: e.T14367A114559942. http://dx.doi.org/10.2305/IUCN.UK.2009.RLTS.T14367A4436144.en.

Tuniyev, B.S. 2008. High mountain snake’s reproduction strategy in the Caucasus. pp. 401-407. In: Ananjeva, N.B.; Danilov, I.G.; Dunayev, E.A.; Ischenko, V.G.; Lada, G.A.; Litvinchuk, S.N.; Orlova, V.F.; Smirina, E.M.; Tuniyev, B.S. & Khalikov, R.G. (eds.). The problems of herpetology. Proceedings of the 3rd meeting of the Nikolsky Herpetological Society, 9-13 October 2006, Putschino. Russian Academy of Sciences, St. Petersburg. 467 pp.

Twissell, C.F. 1975. Amphibian & reptile notes. Grass snake. GNS (Gloucestershire Naturalists' Society) Journal 24(10): 260.

Underwood, G. 1950. Abnormal head squamation in Natrix natrix. British Journal of Herpetology 3: 69.

Unruh, M. 1998. Beobachtung einer schwarzen Ringelnatter Natrix natrix. Natur und Museum (Frankfurt am Main) 128(8): 247-254.

Ushakov, A.V. 2007. On the defensive behavior of the Grass Snake Natrix natrix (Linnaeus,1758). Russian Journal of Ecology 38(2): 124-127.

Vaughan, R. 1999. Provisional results from study of facial features as a means of individual identification in Natrix natrix. (Incorrectly cited on page heads as No. 68). British Herpetological Society Bulletin 69: 39-46.

Vickers, M.J.; Aubret, F.; Coulon, A. 2017. Using GAMM to examine inter-individual heterogeneity in thermal performance curves for Natrix natrix indicates bet hedging strategy by mothers. Journal of Thermal Biology 63: 16-23.

Viikmaa, M. 1988. A grass snake... under a kitchen ceiling. Eesti Loodus 1988(1): 49.

Voelkl, W.; Hansbauer, G. 2008. Verbreitung und Bestandssituation der Ringelnatter (Natrix natrix Linnaeus, 1758) in Bayern. Mertensiella 17: 59-67.

Voelkl, W.; Janssen, I.; Käsewieter, D.; Baumann, N. 2004. Gibt es bei der Ringelnatter (Natrix natrix) eine Beziehung zwischen der Populationsstruktur und der Amphibiendichte? Zeitschrift für Feldherpetologie 11(2): 145-165.

Volkl, W.; Meier, B. 1989. Untersuchungen zum Vorkommen der Ringelnatter Natrix natrix (Linnaeus, 1758) in Nordostbayern. Salamandra 25(3-4): 213-223.

Vozenilek, P. 1973. Herpetologické poznámky z Vihorlatu. (In Slovak). Ochrana Fauny 5(1): 18-19.

Waitzmann, M. 1991. Zur Morphologie einiger Reptilien des südlichen Odenwaldes (Nordbaden, Südhessen). Salamandra 27(4): 266-281.

Walter, G.; Wolters, D. 1997. Zur Effizienz der Erfassung von Reptilien mit Hilfe von Blechen in Norddeutschland. Zeitschrift für Feldherpetologie 4(1-2): 187-195.

Weitzel, M. 1988. Beiträge zur amphibienfauna und reptilienfauna des 'NSG Kiesgrube bei Oberkirch'. Dendrocopos 15: 129-131.

Wessels, G. 2005. Die Ringelnatter im Rintger Bruch in Viersen. Vorkommen erloschen? Naturspiegel 2: 20-21. (Heft 58).

Wetzel, G. 1900. Drei abnorm gebildete Eier von Tropidonotus natrix. Anatomischer Anzeiger 18: 425-440.

Wiedl, H.; Böhme, W. 1992. Wiederentdeckung der Ringelnatter (Natrix natrix ssp.?) auf Zypern - vorläufiger Bericht. Herpetofauna (Weinstadt) 14(80): 6-10.

Wiedl, H.J.; Baier, F. 2008. Freilandforschung zur Ökologie der vom Aussterben bedrohten Zypriotischen Ringelnatter, Natrix natrix cypriaca. Elaphe 16(2): 24-26.

Wijer, P. de; Janssen, I. 2002. Natrix natrix (Grass Snake): intraspecific predation. Herpetological Bulletin 80: 31.

Wijngaarden Bakker, L.H. van; Troostheide, K.D. 2003. Bones and eggs. The archaeological presence of the Grass Snake Natrix natrix (L.) in the Netherlands. Environmental Archaeology 8(2): 111-118.

Wirth, M.; Haehnlein, R. 2009. Die Europäischen Wassernattern: Freilandbeobachtung, Haltung und Zucht von Natrix natrix (Linnaeus, 1758), Natrix maura (Linnaeus, 1758) und Natrix tessellata (Laurenti, 1768). Draco 10(3) (39): 49-59.

Wisler, C.; Hofer, U. 2008. Raumnutzung weiblicher Ringelnattern (Natrix natrix helvetica) in einer Agrarlandschaft. Mertensiella 17: 173-180.

Wojdan, D. 1994. [The occurrence of reptiles (Reptilia) in the Swietokrzyskie Mountains]. (In Polish, English summary). Przeglad Zoologiczny 38(1-2): 97-104.

Wright, S.; Osborne, J.; Pursglove, C. 1993. Nottinghamshire reptile survey. Nottinghamshire Wildlife 1993(Summer): 4-8.

Zahn, A.; Englmaier, I. 2006. Die Reptilien in mehreren Naturräumen Südostbayerns. Zeitschrift für Feldherpetologie 13(1): 23-47.

Zhatkanbayev, A.Z. 2012. [A new data about vertebrate species which counting on the Almaty town territory (Report 1)]. (In Russian). Izvestiya Natsionalnoi Akademii Nauk Respubliki Kazakhstan Seriya Biologicheskaya i Meditsinskaya 3(291): 6-21.

Zhatkanbayev, A.Z. 2012. [A new data about vertebrate species which counting on the Almaty town territory (Report 2)]. (In Russian). Izvestiya Natsionalnoi Akademii Nauk Respubliki Kazakhstan Seriya Biologicheskaya i Meditsinskaya 4(292): 72-84.

Zonderland, A. 1991. The grass snake in Waterland. Waarnemingen Van Amfibieen en Reptielen in Nederland 1990 [1991]: 79-83.

Zuiderwijk, A.; Smit, G.; Bogert, H. van den 1993. Die Anlage künstlicher Eiablageplätze: eine einfache Möglichkeit zum Schutz der Ringelnatter (Natrix natrix L. 1758). Mertensiella 3: 227-234.

Zuiderwijk, A.; Wijer, P. de; Janssen, I. 1999. The decline of a grass snake metapopulation near Amsterdam. pp. 463-470. In: Miaud, C. & Guyetant, R. (eds.). Current studies in herpetology: proceedings of the 9th Ordinardy General Meeting of the Societas Europaea Herpetologica 25-29 August 1998, Le Bourget du Lac, France. Societas Europaea Herpetologica, Le Bourget du Lac, 478 pp.

Zuiderwijk, A.; Wolterman, R. 1995. The use of photos in monitoring of a population of grass snakes. Levende Natuur 96(3): 72-81.

Natrix tessellata

Acipinar, H.; Gaygusuz, O.; Tarkan, A.S.; Gursoy, C.; Al, Z. 2006. Presence of an invasive fish species, Carassius gibelio (Bloch, 1782) in the diet of the Dice Snake, Natrix tessellata (Laurenti, 1768). Journal of Fisheries and Aquatic Sciences 1(2): 213-217.

Aghasyan, A.; Avci, A.; Tuniyev, B.; Crnobrnja-Isailovic, J.; Lymberakis, P.; Andrén, C.; Cogalniceanu, D.; Wilkinson, J.; Ananjeva, N.B.; Üzüm, N.; Orlov, N.L.; Podloucky, R.; Tuniyev, S.; Kaya, U.; Ajtic, R.; Vogrin, M.; Corti, C.; Mellado, V.P. & al. 2010. Natrix tessellata. The IUCN Red List of Threatened Species 2010: e.T157256A5062170. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T157256A5062170.en.

Ahmadzadeh, F.; Mebert, K.; Ataei, S.; Razazadeh, E.; Gholi, L.A.; Böhme, W. 2011. Ecological and biological comparison of thre populations of the dice snake (Natrix tessellata) from the southern Caspian Sea coast, Iran. Mertensiella 18: 404-413.

Ajtic, R.; Tomovic, L.; Sterijovski, B.; Crnobrnja-Isailovic, J.; Djordjevic, S.; Djurakic, M.; Golubovic, A.; Simovic, A.; Arsovski, D.; Andjelkovic, M.; Krstic, M.; Sukalo, G.; Gvozdenovic, S.; Aidam, A.; Michel, C.L.; Ballouard, J.M.; Bonnet, X. 2013. Unexpected life history traits in a very dense population of dice snakes. Zoologischer Anzeiger 252(3): 350-358.

Amr, Z.S.; Mebert, K.; Mashat, H.; Baker, M.A.; Disi, A.M. 2011. Ecology and conservation of the dice snake (Natrix tessellata) in Jordan. Mertensiella 18: 393-400.

Andjelkovic, M.; Tomovic, L.; Ivanovic, A. 2016. Variation in skull size and shape of two snake species (Natrix natrix and Natrix tessellata). Zoomorphology (Berlin) 135(2): 243-253.

Babaei, S.R.; Shiravi, A.; Hojati, V. 2015. The male reproductive cycle of the Dice Snake, Natrix tessellata (Serpentes: Colubridae), in northern Iran. Zoology in the Middle East 61(1): 18-25.

Baha el Din, S.M. 2011. Distribution and recent range extension of Natrix tessellata in Egypt. Mertensiella 18: 401-403.

Bakiev, A.G.; Kirillov, A.A. 2000. [Diet and helminthofauna of the snakes Natrix natrix and N. tessellata (Colubridae) co-inhabiting the Middle Volga Region]. (In Russian, English summary). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 2(2)(4): 330-333.

Bakiev, A.G.; Kirillov, A.A.; Mebert, K. 2011. Diet and parasitic helminths of dice snakes from the Volga Basin, Russia. Mertensiella 18: 325-329.

Bellaagh, M.; Lazanyi, E.; Korsos, Z. 2009. Calculation of fluctuating asymmetry of the biggest Caspian whipsnake population in Hungary compared to a common snake species. Biologia (Bratislava) 65(1): 140-144.

Belyakov, I. 2001. [Fluctuating asymmetry of scales cover of some grass-snake-like, as one of the criteria of evaluation of the condition of the population. pp. 136-139, 229]. (In Russian). In: Lobkov, V.A. (ed.). Diversity of animal researches. [Issledovaniya mnogoobraziya zhivotnogo mira]. Nauchnye Trudy Zoologicheskogo Muzeya Odesskogo Natsionalnogo Universiteta T 3. Zoologicheskii Muzei Odesskogo Natsionalnogo Universiteta, Odessa. 214 pp.

Berezovikov, N.N. 2007. [About the destruction of muskrat nest by Natrix tessellata]. (In Russian). Selevinia 2006: 215.

Berezovikov, N.N. 2010. [To herpetofauna of Shortandy area (Central Kazakhstan)]. (In Russian). Selevinia 2009: 228.

Bilcke, J.; Herrel, A.; Aerts, P. 2007. Effect of prey- and predator size on the capture success of an aquatic snake. Belgian Journal of Zoology 137(2): 191-195.

Blechinger, F. 1939. Über das Verhalten zweier Würfelnattern (Natrix tessellata). Wochenschrift für Aquarien- und Terrarienkunde (Braunschweig) 36: 121-122.

Bol, S.C. 1991. Natrix tessellata tessellata. Litteratura Serpentium (English Edition) 11(6): 145-146.

Brecko, J.; Vervust, B.; Herrel, A.; Damme, R. van 2011. Head morphology and diet in the dice snake (Natrix tessellata). Mertensiella 18: 20-29.

Brischoux, F.; Kornilev, Y.V. 2014. Hypernatremia in Dice Snakes (Natrix tessellata) from a coastal population: implications for osmoregulation in marine snake prototypes. PLoS ONE 9(3): e92617.

Broggi, M.F. 2011. The semi-aquatic herpetofauna of Serifos (Cyclades, Greece) including conservation aspects (Amphibia: Reptilia). Herpetozoa 24(1-2): 13-22.

Bustard, R. 1959. Hardy snakes. Aquarist and Pondkeeper 24: 49-50.

Cafuta, V. 2011. First report of melanistic dice snakes (Natrix tessellata) in Slovenia. Mertensiella 18: 442-444.

Calastri, A.; Cervi, O.; Spagnesi, M.; Stinchi, E. 1976. Contributo alla conosenrza dell'oasi faunistica di Punte Alberete (Ravenna). Ricerche Biol. Selvag. Suppl. 7: 121-153.

Capula, M.; Filippi, E.; Rugiero, L.; Luiselli, L.M. 2011. Dietary, thermal and reproductive ecology of Natrix tessellata in Central Italy: a synthesis. Mertensiella 18: 147-153.

Carlsson, M.; Karvemo, S.; Tudor, M.; Sloboda, M.; Mihalca, A.D.; Ghira, I.; Bel, L.; Modry, D. 2011. Monitoring a large population of dice snakes of Lake Sinoe in Dobrogea, Romania. Mertensiella 18: 237-244.

Castille, C. 2015. World first hypomelanistic Natrix captive breeding. Herptile 40(1): 15-18.

Chikin, Y.A. 1981. [Activity of the dice snake in the mountainous parts of Angren River]. pp. 151. (In Russian). In: Darevsky, I.S., Ananjeva, N.B., Barkagan, Z.S., Borkin, L.Y., Sokolova, T.M. & Shcherbak, N.N. (eds.). The problems of herpetology: abstracts. Nauka, Leningrad. 163 pp.

Conelli, A.E.; Nembrini, M. 2007. Studio radiotelemetrico dell'habitat della biscia tassellata, Natrix tessellata (Laurenti, 1768) in tre popolazioni del Cantone Ticino (Svizzera). Bollettino della Societa Ticinese di Scienze Naturali 95: 45-54.

Conelli, A.E.; Nembrini, M.; Mebert, K. 2011. Different habitat use of dice snakes, Natrix tessellata, among three populations in Canton Ticino, Switzerland - a radiotelemetry study. Mertensiella 18: 100-116.

Conelli, A.E.; Nembrini, M.; Mebert, K.; Schmidt, B.R. 2009. Monitoraggio della Biscia tassellata, Natrix tessellata (Laurenti, 1768) nel Cantone Ticino (Svizzera). Bollettino della Societa Ticinese di Scienze Naturali 97: 27-34.

Dimitropoulos, A. 1989. The dice snake and its breeding in captivity. Herptile 14(2): 66-67.

Dincaslan, Y.E.; Arikan, H.; Ugurtas, I.H.; Mebert, K. 2011. Morphology and blood proteins of dice snakes from western Turkey. Mertensiella 18: 370-382.

Dowling, R. 1990. Double clutching in a dice snake (Natrix tessellata). Vivarium (Lakeside) 2(5): 12.

Dubey, S.; Christe, P.; Formenti, V.; Staub, E.; Schuerch, J.; Glaizot, O.; Ursenbacher, S. 2015. Introduced freshwater blenny influences the diet and body condition of the invasive Dice Snake in Lake Geneva. Journal of Wildlife Management 79(2): 338-343.

Duda, M.; Grillitsch, H.; Hill, J.; Klepsch, R. 2007. Die Würfelnatter Natrix tessellata (Laurenti, 1768) im Südlichen Wiener Becken und am Alpenostrand (Niederösterreich) (Squamata: Serpentes: Colubridae). Herpetozoa 20(1-2): 35-56.

Dummermuth, S. 1977. Pflege and Zucht der Würfelnatter (Natrix t. tessellata). Aquaria 24(3): 43-44.

Esterbauer, H. 1994. Lebensweise und Verhalten der Würfelnatter im Masil al Fawwar (Syrien). DATZ (Die Aquarien- und Terrarien-Zeitschrift) 47(5): 308-311.

Esterbauer, H. 1995. Lebensweise und Verhalten der südlichen Pfeilnatter. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 48(4): 235-238.

Fautz, R. 1986. The flounder, Platichthys flesus, as prey of the dice snake, Natrix tessellata, in Turkey. Zoology in the Middle East 1: 118-119.

Filippi, E.; Capula, M.; Luiselli, L.; Agrimi, U. 1996. The prey spectrum of Natrix natrix (Linnaeus, 1758) and Natrix tessellata (Laurenti, 1768) in sympatric populations (Squamata: Serpentes: Colubridae). Herpetozoa 8(3-4): 155-164.

Frotzler, N.; Davitashvili, N.; Mebert, K. 2011. Distribution of the dice snake (Natrix tessellata) in Georgia (Transcaucasia) and comparative notes on the genus Natrix. Mertensiella 18: 357-364.

Gaebele, T.; Potyo, I.; Weiperth, A.; Guti, G.; Puky, M. 2013. Abundant prey or optimal microhabitat? Natrix tessellata stays hidden in safe areas in a diverse floodplain along the Danube at God, Hungary. North-Western Journal of Zoology 9(2): 374-382.

Garancsy, M. 1975. Why do we protect all of our reptiles? Buvar 30(5): 217-221.

Gautschi, B.; Widmer, A.; Joshi, J.; Koella, J.C. 2002. Increased frequency of scale anomalies and loss of genetic variation in serially bottlenecked populations of the Dice Snake, Natrix tessellata. Conservation Genetics 3(3): 235-245.

Geisenheyner, L. 1895. Über die Verbreitung zweier Thiere aus der Fauna des Nahethales (Tropidonotus tessellatus und Mus ruttus). Verh. Ver. Rheinland 52: 33-44.

Geisenheyner, L. 1898. Zum Kapitel "Hausratte und Würfelnatter". Zoologischer Garten 39: 1-4.

Gezova, S.; Jablonski, D. 2018. Range extension and highest elevational populations of Natrix tessellata in Slovakia. Amphibian & Reptile Conservation 12(2) [General Section]: 98–105 (e162).

Ghira, I.; Butanescu, D.; Marosi, B. 2009. Feeding behavior of the Dice Snake (Natrix tessellata). Herpetologica Romanica 3: 1-7.

Glaesser-Trobisch, A.; Trobisch, D. 2001. Ein Mauerblümchen in der Terraristik: die Würfelnatter Natrix tessellata (Laurenti, 1786). Elaphe 9(4): 17-24.

Göcmen, B.; Böhme, W. 2002. New evidence for the occurrence of the Dice Snake, Natrix tessellata (Laurenti, 1768) on Cyprus. Zoology in the Middle East 27: 29-34.

Göcmen, B.; Cicek, K.; Yildiz, M.Z.; Atatur, M.K.; Dincaslan, Y.E.; Mebert, K. 2011. A preliminary study on the feeding biology of the dice snake, Natrix tessellata, in Turkey. Mertensiella 18: 365-369.

Göcmen, B.; Mebert, K. 2011. The rediscovery of Natrix tessellata on Cyprus. Mertensiella 18: 383-387.

Grillitsch, H.; Cabela, A. 1992. Das potentielle Verbreitungsgebiet der Würfelnatter, Natrix t. tessellata (Laurenti, 1768), in Österreich (Reptilia: Squamata: Colubridae). Herpetozoa 5(3-4): 119-130.

Gruschwitz, M. 1978. Untersuchungen zu Vorkommen und Lebensweise der Würfelnatter (Natrix t. tessellata) im Bereich der Flüsse Mosel und Lahn (Rheinland-Pfalz) (Reptilia: Serpentes: Colubridae). Salamandra 14(2): 80-89.

Gruschwitz, M. 1985. Status und Schutzproblematik der Würfelnatter (Natrix tessellata Laurenti, 1768) in der Bundesrepublik Deutschland). Natur und Landschaft 60(9): 353-356.

Gruschwitz, M. 1986. Notes on the ecology of the dice snake, Natrix tessellata Laur. in West Germany. pp. 499-502. In: Rocek, Z. (ed.). Studies in herpetology. Proceedings of the European herpetological meeting (3rd ordinary general meeting of the Societas Europaea Herpetologica), Prague 1985. Charles University, Prague. 754 pp.

Gruschwitz, M.; Lenz, S.; Jes, H.; Nogge, G. 1992. Die Nachzucht der Würfelnatter (Natrix tessellata Laurenti, 1768) im Aquarium des Kölner Zoos - ein Beitrag zum Artenschutz. Zeitschrift des Kölner Zoo 35(3): 117-125.

Gruschwitz, M.; Lenz, S.; Mebert, K.; Lanka, V. 1999. Natrix tessellata - Würfelnatter. pp. 581-644. In: Böhme, W. (ed.). Handbuch der Reptilien und Amphibien Europas. Band 3/II: Schlangen (Serpentes) II (Colubridae 2: Boiginae, Natricinae). Aula-Verlag, Wiesbaden. pp. 481-815.

Guicking, D.; Herzberg, A.; Wink, M. 2004. Population genetics of the Dice Snake (Natrix tessellata) in Germany: implications for conservation. Salamandra 40(3-4): 217-234.

Guicking, D.; Joger, U. 2011. Molecular phylogeography of the dice snake. Mertensiella 18: 1-10.

Guicking, D.; Joger, U.; Wink, M. 2002. Molecular phylogeography of the Viperine Snake Natrix maura and the Dice Snake Natrix tessellata: first results. Biota (Race) 3(1-2): 49-59.

Guicking, D.; Joger, U.; Wink, M. 2009. Cryptic diversity in a Eurasian Water Snake (Natrix tessellata, Serpentes: Colubridae): Evidence from mitochondrial sequence data and nuclear ISSR-PCR fingerprinting. Organisms Diversity & Evolution 9(3): 201-214.

Guicking, D.; Smole Wiener, A.K. 2003. Genetische Untersuchung der Kärntner Würfelnattern. Carinthia II 113(2): 443-447.

Hanschke, O. 1952. Mein Wassernattern-Terrarium. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 5: 298-302.

Happ, H. 2001. Neues aus der Welt der Kriechtiere. Hochwasser am Wörthersee - Rettungsaktion für bedrohte Würfelnattern (Natrix tessellata). Carinthia II 111(1): 37-42.

Happ, H.; Happ, F. 1999. Neues aus der Welt der Kriechtiere. Carinthia II 109(1): 7-18.

Herczeg, G.; Szabo, K.; Korsos, Z. 2005. Asymmetry and population characteristics in Dice Snakes (Natrix tessellata): an interpopulation comparison. Amphibia-Reptilia 26(3): 422-426.

Hill, J. 2009. Das Reptil des Jahres 2009 - Die Würfelnatter. Landschaftspflege und Naturschutz in Thueringen 46(1): 53.

Hindley, C. 1988. The dice snake. Snake Keeper 2(5): 6-7.

Hoath, R. 1994. Interactions between wood sandpipers and diced water snake in Egypt. Ornithological Society of the Middle East Bulletin 32: 24-25.

Hutinec, B.J.; Mebert, K. 2011. Ecological partitioning between dice snakes (Natrix tessellata) and grass snakes (Natrix natrix) in southern Croatia. Mertensiella 18: 225-233.

Ibrahim, A.A. 2012. New records of the Dice snake, Natrix tessellata, in the Suez Canal zone and Sinai. Amphibian and Reptile Conservation 6(2): 2-4.

Ibrahim, A.A. 2013. The herpetology of the Suez Canal Zone, Egypt. Vertebrate Zoology 63(1): 87-110.

Iftime, A. 2001. Observations on the amphibians and reptiles of the National Parks Semenic-Cheile Carasului and Cheile Nerei-Beusnita (Romania). Travaux du Museum National d'Histoire Naturelle "Grigore Antipa" 43: 323-332.

Iftime, A.; Iftime, O. 2006. Preliminary data on the herpetofauna of the Cozia Massif (Romania). 1. Reptiles. Travaux du Museum National d'Histoire Naturelle "Grigore Antipa" 49: 331-340.

Ilani, G.; Shalmon, B. 1984. Snake eats snake. Israel - Land and Nature 9(3): 125.

Ioannidis, Y.; Mebert, K. 2011. Habitat preferences of Natrix tessellata at Strofylia, northwestern Peloponnese, and comparison to syntopic N. natrix. Mertensiella 18: 302-310.

Jablonski, D.; Kautman, J. 2017. Melanism in Natrix tessellata (Serpentes: Colubridae) from Slovakia. Herpetology Notes 10: 173-175.

Jelic, D.; Laus, B. 2011. Record of Natrix tesellata as a prey of Hierophis gemonensis. Mertensiella 18: 450.

Jelic, D.; Laus, B. 2011. The gull Larus cachinnans (Palla, 1811) as natural predator of Natrix tessellata (Laurenti, 1768). Mertensiella 18: 451-452.

Jelic, D.; Lelo, S. 2011. Distribution and status quo of Natrix tessellata in Croatia, and Bosnia and Herzegovina. Mertensiella 18: 217-224.

Joger, U.; Fritz, U.; Guicking, D.; Kalyabina-Hauf, S.; Nagy, Z.T.; Wink, M. 2010. Relict populations and endemic clades in Palearctic reptiles: evolutionary history and implications for conservation. pp. 119-143. In: Habel, J.C. & Assmann, T. (eds.). Relict species: phylogeography and conservation biology. Springer, Heidelberg, Dordrecht, etc. 449 pp.

Joger, U.; Tarnow, C. 1982. Zur Verbreitung der Würfelnatter (Natrix tessellata) in Deutschland: ein Vorkommen an der Oberweser? (Reptilia: Serpentes: Colubridae). Salamandra 18(1-2): 106-109.

Jost, U.; Jost, H. 2014. Schlangenhochzeit am Lopper – Würfelnattern am Alpnachersee, Schweiz. Terraria-Elaphe 2014(45): 72.

Kabisch, K. 1966. Zur Lebenweise der Würfelnatter, Natrix tessellata (Laurenti), in Bulgarien. Abh. Ber. st. Mus. Tierk. Dresden 28: 273-276.

Kabisch, K. 1972. Die Schlangeninsel bei Arkutino. Aquarien Terrarien Monatschrift für Ornithologie und Vivarienkunde 1972(12): 410-412.

Kammel, W. 2009. Jahres- und Tagesrhythmen in der Aktivität und Beobachtungshäufigkeit dreier mittelEuropäischer Schlangenarten (Squamata: Serpentes: Colubridae). Herpetozoa 22(1-2): 3-9.

Kammel, W.; Mebert, K. 2011. Effects of rehabilitation of the polluted river system Mur in Styria, Austria, and construction of hydroelectric power plants on fish fauna and distribution of the dice snake. Mertensiella 18: 188-196.

Karaman, S.L. 1948. Prilog herpetologiji sjeverne Srbije. Prirod. Istraz. mat.-priv. Razred 24: 51-74.

Karvemo, S.; Carlsson, M.; Tudor, M.; Sloboda, M.; Mihalca, A.D.; Ghira, I.; Bel, L.; Modry, D. 2011. Gender differences in seasonal movement of dice snakes in Histria, southeastern Romania. Mertensiella 18: 245-254.

Kazakov, I.K.; Kamilova, S.I.; Kholmatov, R.S.; Abubakirova, M.E.; Azimov, D.A. 1998. Some ecologic-biological parameters of the snake Natrix tessellata (Laurenti). (In Russian, English summary). Uzbekskii Biologicheskii Zhurnal 5: 49-51.

Klenina, A.A. 2014. [Reproductive biology of water snakes (Serpentes, Colubridae, Natrix) in Samara region]. (In Russian). Izvestiya Samarskogo Nauchnogo Centra Rossiskaya Akademii Nauk 16(5 5): 1685-1690.

Kobel, H.R. 1967. Morphometrische Karyotypanalyse einiger Schlangenarten. Genetica (Gravenhage) 38: 1-31.

Korsos, Z. 1995. A nadhoz kotodo allatok. Keteltuek (Amphibia). Hullok (Reptilia). [Animals associated with reeds. Amphibia. Reptilia]. (In Hungarian). Studia Naturalia 8: 96-98.

Kotenko, T.I.; Shaitan, S.V.; Starkov, V.G.; Zinenko, O.I. 2011. The northern range limit of the dice snake (Natrix tessellata) in Ukraine and the Don River Basin in Russia. Mertensiella 18: 311-324.

Kramer, E.; Linder, A.; Mermillod, B. 1982. Systematische Fragen zur europäischen Schlangenfauna. Vertebrata Hungarica 21: 195-201.

Krapp, F.; Böhme, W. 1978. Natrix tessellata in der Voreifel (Reptilia: Serpentes: Colubridae: Natricinae). Salamandra 14(3): 157-159.

Kwet, A.; Mebert, K. 2009. Die Würfelnatter (Natrix tessellata), das Reptil des Jahres 2009. Reptilia (D) 14(80): 40-46.

Kwet, A.; Mebert, K. 2009. Würfelnatter Natrix tessellata (Laurenti, 1768). Reptilia (D) 14(80): 47-50.

Kyriazi, P.; Kornilios, P.; Nagy, Z.T.; Poulakakis, N.; Kumlutas, Y.; Ilgaz, C.; Avci, A.; Göcmen, B.; Lymberakis, P. 2013. Comparative phylogeography reveals distinct colonization patterns of Cretan snakes. Journal of Biogeography 40(6): 1143-1155.

Lada, G.A.; Nedosekin, V.Y. 1997. The first record of tesselated snake, Natrix tessellata Laurenti, 1768 in the central Chernozem territory of Russia and some other results of the herpetological research in the upper Don. Russian Journal of Herpetology 4(2): 192-194.

Lanka, V. 1978. Variabilität und Biologie der Würfelnatter (Natrix tessellata). Acta Universitatis Carolinae Biologica 1975-1976(5-6): 167-207.

Lantermann, W.; Lantermann, Y. 2007. Würfel- (Natrix tessellata) und Ringelnattern (Natrix natrix) am ungarischen Plattensee. Elaphe 15(2): 60-64.

Lantermann, W.; Lantermann, Y. 2013. Würfelnattern (Natrix tessellata) am Pécser See in Südwest-Ungarn - ein Update. Terraria-Elaphe 2013(44): 80-84.

Ledge, K.D.; Strasser, P. 2003. Gründung, Zielstellung und Aktivitäten des Fördervereins "Freunde der Meissner Würfelnatter e. V". Elaphe 11(4): 50-53.

Lehrs, P. 1900. Die Dalmatiner Würfelnatter (Tropidonotus tessellatus Laurenti, var. flavescens Werner). Natur und Haus 8: 217-219, 244-245.

Lenz, S. 2003. Würfelnatter und Schlingnatter - Friedliche Koexistenz oder Räuber-Beute-Beziehung. Elaphe 11(2): 51-52.

Lenz, S.; Gruschwitz, M. 1993. Zur Autökologie der Würfelnatter, Natrix t. tessellata (Laurenti 1768) (Reptilia: Serpentes: Colubridae) in Deutschland. Mertensiella 3: 235-252.

Lenz, S.; Gruschwitz, M. 1993. Zur Merkmalsdifferenzierung und -variation der Würfelnatter, Natrix tessellata (Laurenti 1768) in Deutschland. Mertensiella 3: 269-300.

Lenz, S.; Gruschwitz, M. 1993. Zur Populationsökologie der Würfelnatter, Natrix t. tessellata (Laurenti 1768) in Deutschland (Reptilia: Serpentes: Colubridae). Mertensiella 3: 253-267.

Lenz, S.; Mebert, K.; Hill, J. 2009. Reptil des Jahres 2009 - Würfelnatter. Deutsche Gesellschaft für Herpetologie und Terrarienkunde, Stuttgart. 32 pp.

Lenz, S.; Schmidt, A.D. 2002. Bericht zum Stand des Erprobungs- und Entwicklungsvorhabens "Würfelnatter" der DGHT - 3. Teil: Erprobungsstandort Mosel. Elaphe 10(1): 53-59.

Lenz, S.; Schmidt, A.D. 2011. [Results of a state wide project on the promotion of the dice snake population and its habitats]. (In German). Mertensiella 18: 30-38.

Leo, F. de; Donelli, O.; Scali, S. 2006. Use of natural and artificial shelters in a snake community of northern Italy. pp. 25-31. In: Zuffi, M.A.L. (ed.). Societas Herpetologica Italica. Atti del V Congresso Nazionale: Calci (PI), 29 settembre - 3 ottobre 2004. Firenze University Press, Firenze. 270 pp.

Leptien, R. 2011. Tiere unserer Heimat. Die Würfelnatter. Reptilia (D) 16(88): 75-77.

Leviton, A.E. 1977. On the status of Natrix dubbiosi Scortecci. Journal of the Saudi Arabian Natural History Society 19: 26-29.

Lewis, T.R. 2002. Herpetofaunal observations in agricultural drainage dykes, Naoussa, northwestern Greece. Herpetological Bulletin 80: 23-25.

Litvinov, N.A.; Bakiev, A.G.; Mebert, K. 2011. Thermobiology and microclimate of the dice snake at its northern range limit in Russia. Mertensiella 18: 330-335.

Liu, Y.; Mebert, K.; Shi, L. 2011. Notes on distribution and morphology of the dice snake (Natrix tessellata) in China. Mertensiella 18: 430-436.

Luiselli, L.; Capizzi, D.; Flippi, E.; Anibaldi, C.; Rugiero, L.; Capula, M. 2007. Comparative diets of three populations of an aquatic snake (Natrix tessellata, Colubridae) from Mediterranean streams with different hydric regimes. Copeia 2007(2): 426-435.

Luiselli, L.; Rugiero, L. 2005. Individual reproductive success and clutch size of a population of the semi-aquatic snake Natrix tessellata from central Italy? Are smaller males and larger females advantaged? Revue d'Ecologie la Terre et la Vie 60(1): 77-81.

Luiselli, L.; Zimmermann, P. 1997. Thermal ecology and reproductive cyclicity of the snake Natrix tessellata in south-eastern Austria and central Italy: a comparative study. Amphibia-Reptilia 18(4): 383-396.

Luiselli, L.M.; Madsen, T.; Capizzi, D.; Rugiero, L.; Pacini, N.; Capula, M. 2011. Long-term population dynamics in a Mediterranean aquatic snake. Ecological Research 26(4): 745-753.

Maio, N.; Marrone, N.; Giannetti, F.; Guarino, F.M. 2009. Prima segnalazione di Natrix tessellata (Laurenti, 1768) nel Parco Regionale "Riviera di Ulisse" (Latina, Lazio). Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale in Milano 150(2): 271-272.

Malnate, E.V. 1968. Natrix dunni, a new species of watersnake from Malaysia. Notulae Naturae 410: 1-5.

Mangili, E. 1947. Osservazioni su la riproduzione in cattivita di alcune specie di ofidii Italiani. Acta pont.acad. Scient. 11(20): 235-246.

Manuilova, O.N.; Matveye, A.S.; Karmyshev, Y.V. 2005. [A find of the tessellated grass-snake, Natrix tessellata, in the secondary delta of the Kilia Arm of the Danube River]. (In Russian). Vestnik Zoologii 39(2): 68.

Marosi, B.; Zinenko, O.I.; Ghira, I.V.; Crnobrnja-Isailovic, J.M.; Lymberakis, P.; Sos, T.; Popescu, O. 2012. Molecular data confirm recent fluctuations of northern border of dice snake (Natrix tessellata) range in eastern Europe. North-Western Journal of Zoology 8(2): 374-377.

Masroor, R.; Mebert, K. 2012. Geographic distribution: Natrix tessellata (Dice Snake). Pakistan: Gilgit-Baltistan. Herpetological Review 43(4): 621.

Mawe, A.D. 2010. Iraq: the unknown frontier. Part 2. Herptile 35(4): 142-147.

Mazza, G.; Monney, J.C.; Ursenbacher, S. 2011. Structural habitat partitioning of Natrix tessellata and Natrix maura at Lake Geneva, Switzerland. Mertensiella 18: 80-85.

Mebert, K. (ed.) 2011. The dice snake, Natrix tessellata: biology, distribution and conservation of a Palaearctic species. Mertensiella 18: 1-456.

Mebert, K. 1997. Comparaison morphologique entre des populations introduites et indigenes de Natrix tessellata de l'arc alpin. Bulletin de la Societe Herpetologique de France 80 [1996]: 15-25.

Mebert, K. 2011. Geographic variation of morphological characters in the dice snake (Natrix tessellata). Mertensiella 18: 11-19.

Mebert, K. 2011. Introduced and indigenous populations of the dice snake (Natrix tessellata) in the Central Alps - microgeographic variation and effect of inbreeding. Mertensiella 18: 71-79.

Mebert, K. 2011. Sexual dimorphism in the dice snake (Natrix tessellata) from the Central Alps. Mertensiella 18: 94-99.

Mebert, K. 2011. Terrestrial dice snakes: how far from water a semiaquatic snake ventures out. Mertensiella 18: 453-455.

Mebert, K. 2011. Unsuitable food for dice snake (Natrix tessellata). Mertensiella 18: 448-449.

Mebert, K.; Conelli, A.E.; Nembrini, M.; Schmidt, B.R. 2011. Monitoring and assessment of the distribution of the dice snake in Ticino, southern Switzerland. Mertensiella 18: 117-130.

Mebert, K.; Henggeler, M. 2011. The only known albino of dice snakes (Natrix tessellata). Mertensiella 18: 441.

Mebert, K.; Masroor, R. 2013. Dice Snakes in the western Himalayas: discussion of potential expansion routes of Natrix tessellata after its rediscovery in Pakistan. Salamandra 49(4): 229-233.

Mebert, K.; Masroor, R.; Chaudhry, M.J.I. 2013. The Dice Snake, Natrix tessellata (Serpentes: Colubridae) in Pakistan: analysis of its range limited to few valleys in the western Karakoram. Pakistan Journal of Zoology 45(2): 395-410.

Mebert, K.; Poelzer, W. 2011. Fatal hunting accidents: killing of dice snakes (Natrix tessellata) by bullheads (Cottus gobio). Mertensiella 18: 145-146.

Mebert, K.; Trapp, B. 2011. Luring a dice snake by wave action in the water - a predatory response to a moving aquatic prey. Mertensiella 18: 445-446.

Mebert, K.; Trapp, B.; Kreiner, G.; Billing, H.; Speybroeck, J.; Henggeler, M. 2011. Nocturnal activity in Natrix tessellata, a neglected aspect of its behavioral repetoire. Mertensiella 18: 234-236.

Meijden, A. van der; Chiari, Y. 2006. Natural history notes: Natrix tessellata (Dice Snake). Marine habitat. Herpetological Review 37(1): 94.

Mertens, R. 1957. Die Würfelnatter (Natrix tessellata) der Schlangeninsel. Senckenbergiana Biologica 38: 271-275.

Mertens, R. 1960. Schwarze Reptilien aus dem Tessin. Natur und Volk 90: 64-67.

Mertens, R. 1964. A longevity record for a hybrid watersnake. Herpetologica 20: 134.

Mertens, R. 1969. Zur Synonymie und Variabilität der Würfelnatter (Natrix tessellata). Senckenbergiana Biologica 50: 125-131.

Metzger, C.; Christe, P.; Ursenbacher, S. 2011. Diet variability of two convergent natricine colubrids in an invasive-native interaction. Mertensiella 18: 86-93.

Metzger, C.; Ursenbacher, S.; Christe, P. 2009. Testing the competitive exclusion principle using various niche parameters in a native (Natrix maura) and an introduced (N. tessellata) colubrid. Amphibia-Reptilia 30(4): 523-531.

Mienis, H.K. 1980. A case of predation on Natrix tessellata by the Smyrna kingfisher (Reptilia: Serpentes: Colubridae). Salamandra 16(2): 135.

Misslin, S. 2008. La communicazione come arma letale - Comportamento di Natrix tessellata in rapporto allo stimolo trofico e alle strategie connesse alla predazione. Bollettino della Societa Ticinese di Scienze Naturali 96: 107-108.

Naumov, B.; Tzankov, N.D.; Popgeorgiev, G.S.; Stojanov, A.; Kornilev, Y. 2011. The dice snake (Natrix tessellata) in Bulgaria: distribution and morphology. Mertensiella 18: 288-297.

Nekrasova, O.D.; Gavris, G.G.; Kuybida, V.V. 2013. Changes in the northern border of the home range of the Dice Snake, Natrix tessellata (Reptilia, Colubridae), in the Dnipro Basin (Ukraine). Vestnik Zoologii 47(5): 67-71.

Neumann, C.; Mebert, K. 2011. Migration behavior of endangered dice snakes (Natrix tessellata) at the River Nahe, Germany. Mertensiella 18: 39-48.

Niehuis, M. 1967. Die Würfelnatter bei Bad Kreuznach. Mainzer Wiss. Arch. 5-6: 84-86.

Noll, F.C. 1869. Die Würfelnatter (Tropidonotus tessellatus), eine deutsche Schlange. Zoologischer Garten 1869: 299-304.

Obst, F.J. 1976. Die Würfelnatter bei Meissen - ein erlöschenes Vorkommen (Reptilia, Ophidia, Colubridae). Zoologische Abh. st. Mus. Tierk., Dresden 34(1): 47-52.

Obst, F.J. 2001. Die Wiederansiedlung der Würfelnatter (Natrix tessellata) an der Elbe bei Meißen. Beiträge zur Literatur und Geschichte der Herpetologie und Terrarienkunde 1: 52-56.

Obst, F.J.; Strasser, P. 2011. [Occurrence of the dice snake in Saxony in the Elbe valley near Meissen]. (In German). Mertensiella 18: 58-70.

Ott, T.; Mebert, K. 2011. Mating aggregations in Natrix tessellata. Mertensiella 18: 437-439.

Poelzer, W. 2002. Schlangentauchen". Begegnung mit der Würfelnatter (Natrix tessellata). Reptilia (D) 7(33): 34-38.

Polzer, W. 1998. Würfelnattern. TI-Magazin 30(6) 144: 68-71.

Raehmel, C.A. 1977. Zum Vorkommen von Natrix tessellata an der Ahr (Rheinland-Pfalz) (Reptilia, Serpentes, Colubridae). Salamandra 13(1): 54.

Rajabizadeh, M.; Javanmardi, S.; Rastegar-Pouyani, N.; Karamiani, R.; Yousefi, M.; Salehi, H.; Joger, U.; Mebert, K.; Esmaeili, H.; Parsa, H.; Kami, H.G.; Rastegar-Pouyani, E. 2011. Geographic variation, distribution, and habitat of Natrix tessellata in Iran. Mertensiella 18: 414-429.

Ratnikov, V.Y.; Mebert, K. 2011. Fossil remains of Natrix tessellata from the late cenozoic deposits of the East European Plain. Mertensiella 18: 337-342.

Razzetti, E.; Faiman, R.; Werner, Y.L. 2007. Directional asymmetry and correlation of tail injury with left-side dominance occur in Serpentes (Sauropsida). Zoomorphology (Berlin) 126(1): 31-43.

Said-Aliev, S.A. 1969. Distribution and some data on ecology of Natrix tessellata Laurt. in Tadzhikistan. Izv. Akad. Nauk Tadzhik. SSR (biol.) 3(6): 86-88.

Sarayev, F.A. 2008. [New data on Rana ridibunda findings in Western Kazakhstan]. (In Russian). Selevinia 2007: 179.

Scali, S. 2011. Ecological comparison of the dice snake (Natrix tessellata) and the viperine snake (Natrix maura) in northern Italy. Mertensiella 18: 131-144.

Scali, S.; Dimitolo, G.; Montonati, S. 2001. Attivita notturna comparata di Natrix maura e Natrix tessellata. Pianura 13: 287-290.

Scali, S.; Montonati, S.; Dimitolo, G. 2000. Analisi multivariata del dimorfismo sessuale nei natricini italiani (Reptilia, Serpentes, Colubridae) su basi biometriche. pp. 415-421. In: Giacoma, C. (ed.). Atti I Congresso Nazionale della Societas Herpetologica Italica (Torino, 2-6 Ottobre 1996). [Proceedings of the first National Congress of the Societas Herpetologica Italica (Turin, 2-6 October 1996)]. Museo Regionale di Scienze Naturali, Torino. 821 pp.

Schaeffel, F.; Mathis, U. 1991. Underwater vision in semi-aquatic European snakes. Naturwissenschaften 78(8): 373-375.

Schneider, M. 2012. [The sources of Lake Aci. A status and excursion report 2009 to 2011]. (In German). DKG Journal 44(5): 146-152.

Schweizer, H. 1962. Beitrag zur Kenntnis der schwarzen Würfelnatter am Luganer Sec. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 15: 47-50.

Seglie, D.; Sindaco, R. 2013. [Faunistic records in Piedmont and Aosta Valley (NW Italy), VI]. (In Italian). Rivista Piemontese di Storia Naturale 34: 439-452.

Shehab, A.H.; Al-Masri, A.; Amr, Z.S. 2011. The dice snake (Natrix tessellata) in Syria: distribution, trade and conservation. Mertensiella 18: 388-392.

Sloboda, M.; Mihalca, A.D.; Falka, I.; Petrzelkova, K.J.; Carlsson, M.; Ghira, I.; Modry, D. 2010. Are gobiid fish more susceptible to predation if parasitized by Eustrongylides excisus? An answer from robbed snakes. Ecological Research 25(2): 469-473.

Smole-Wiener, A.K. 2011. [Distribution, habitat utilization and endangerment of the dice snake (Natrix tessellata) in Carinthia, Austria]. (In German). Mertensiella 18: 197-206.

Snowden, D.T. 1987. Herpetofauna of Crete. Herptile 12(4): 134-135.

Sochurek, E. 1956. Einiges über den Seefrosch und über die Würfelnatter. Burgenlandische Heimatblätter 18(2): 88-91.

Soofizadeh, A.; Kami, H.G.; Hojatia, V. 2011. The oogenic cycle of the Dice Snake, Natrix tessellata tessellata (Serpentes: Colubridae) in northern Iran. CIBTech Journal of Zoology 3(2): 22-29.

Stemmler-Morath, C. 1937. Zur Gefangenschaftsbiologie von Natrix natrix und Natrix tessellatus. Zoologische Garten N.F. (Leipzig) 9: 229-230.

Sterijovski, B.; Ajtic, R.; Tomovic, L.; Bonnet, X. 2014. Conservation threats to Dice Snakes (Natrix tessellata) in Golem Grad Island (FYR of Macedonia). Herpetological Conservation and Biology 9(3): 468-474.

Sterijovski, B.; Ajtic, R.D.; Tomovic, L.M.; Djordjevic, S.; Djurakic, M.; Golubovic, A.; Crnobrnja-Isailovic, J.M.; Ballouard, J.M.; Desmont, D.; Fifi, G.; Bonnet, X. 2011. Natrix tessellata on Golem Grad, FYR of Macedonia: a natural fortress shelters a prosperous snake population. Mertensiella 18: 298-301.

Steward, J.W. 1958. The dice snake (Natrix tessellata) in captivity. British Journal of Herpetology 2: 122-125.

Strasser, P.; Peters, T. 2016. Die Würfelnatter (Natrix tesselata) am Wiederansiedlungsstandort Knorre bei Meißen:?aktuelle Situation und Rückblick auf das Hochwasser vom Juni 2013. Terraria-Elaphe 2016(58): 78-85.

Strugariu, A.; Gherghel, I. 2008. A preliminary report on the composition and distribution of the herpetofauna in the Lower Prut River Basin (Romania). North-Western Journal of Zoology 4 (Supplement 1): S49-S69.

Strugariu, A.; Gherghel, I.; Ghira, I.; Covaciu-Marcov, S.D.; Mebert, K. 2011. Distribution, habitat preferences and conservation of the dice snake (Natrix tessellata) in Romania. Mertensiella 18: 272-287.

Strugariu, A.; Sahlean, T.C.; Gherghel, I.; Dinca, P.C.; Zamfirescu, S.R. 2016. First record of the Dice Snake, Natrix tessellata (Reptilia: Colubridae) from north-eastern Romania. Russian Journal of Herpetology 23(4): 323-326.

Sukalo, G.; Dordevic, S.; Gvozdenovic, S.; Simovic, A.; Marko, A.; Blagojevic, V.; Tomovic, L. 2014. Intra- and interpopulation variability of food preferences of two Natrix species on the Balkan Peninsula. Herpetological Conservation and Biology 9(1): 123-136.

Szabo, I. 1956. Contributions a l'herpeto-faune de la montagne Dunazug entre Szentendre, Visegrad et Esztergom. Allattani Kozlemanyck 45(3-4): 123-131.

Szabo, K.; Liker, A.; Korsos, Z. 2000. A fluktualo aszimmetria vizsgalata ket magyarorszagi kockas siklo (Natrix tesellata) populacioban. [Comparison of two Dice Snake (Natrix tessellata) populations: an example for measuring fluctuating asymmetry]. (In Hungarian, English summary). Allattani Kozlemenyek 85: 59-68.

Szczerbak, N.N. 1969. On taxonomy of Natrix tessellata (Laur., 1768). Does the form 'Heinrothi' exist? Zbirn. Prats. Zool. Mus. 33: 108-109.

Tornier, G. 1904. Über das Auffinden von Tropidonotus tessellatus (Laur.) in Mitteldeutschland. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1904: 197-198.

Trapp, B.; Mebert, K. 2011. Upward position of eyes and nostrils of the dice snake to break the water surface. Mertensiella 18: 440.

Trobisch, D.; Glässer-Trobisch, A. 2011. The rearing of dice snakes: part of a concept for the sustainable conservation of endangered and isolated populations in western Germany. Mertensiella 18: 49-57.

Tuniyev, B.; Sako, T.; Kirschey, T.; Mebert, K. 2011. Notes on the dice snake (Natrix tessellata) from the Caucasian Isthmus. Mertensiella 18: 343-356.

Velensky, M.; Velensky, P.; Mebert, K. 2011. Ecology and ethology of dice snakes (Natrix tessellata) in the city district Toja, Prague. Mertensiella 18: 157-176.

Velikov, I. 2011. Dice snake feeds on spiny invasive fish. Mertensiella 18: 447.

Vences, M. 1989. Sich-Totstellen bei der Würfelnatter Natrix tessellata Laurenti, 1768 (Serpentes: Colubridae). Salamandra 25(1): 57-58.

Vlcek, P.; Jablonski, D. 2017. An extraordinary large prey observed in the diet composition of Natrix tessellata (Squamata: Colubridae). Herpetological Bulletin 137: 34-36.

Vlcek, P.; Jablonski, D.; Kudlacek, M.; Mebert, K. 2015. Rediscovery of the Dice Snake Natrix tessellata (Laurenti, 1768), from the Island of Krk, Croatia. Herpetozoa 27(3/4): 191-196.

Vlcek, P.; Najbar, B.; Jablonski, D. 2010. First records of the Dice Snake (Natrix tessellata) from the north-eastern part of the Czech Republic and Poland. Herpetology Notes 3: 23-26.

Vlcek, P.; Zavadil, V.; Jablonski, D.; Mebert, K. 2011. Dice snake (Natrix tesellata) in the Baltic Sea drainage Basin (Karvinsko District in Silesia, Czech Republic). Mertensiella 18: 177-187.

Vozenilek, P. 1973. Herpetologické poznámky z Vihorlatu. (In Slovak). Ochrana Fauny 5(1): 18-19.

Walzthony, D.; Ziswiler, V. 1979. Vergleichend-morphologische Untersuchungen an den Hautsinnesorganen der Blindschleiche, Anguis fragilis (Anguidae) und der Würfelnatter, Natrix tessellata (Colubridae). Revue Suisse de Zoologie 86(3): 705-712.

Wassenbergh, S. van; Brecko, J.; Aerts, P.; Stouten, I.; Vanheusden, G.; Camps, A.; Damme, R. van; Herrel, A. 2010. Hydrodynamic constraints on prey-capture performance in forward-striking snakes. Journal of the Royal Society Interface 7(46): 773-785.

Weiperth, A.; Gaebele, T.; Potyo, I.; Puky, M. 2014. A global overview on the diet of the dice snake (Natrix tessellata) from a geographical perspective: foraging in atypical habitats and feeding spectrum widening helps colonisation and survival under suboptimal conditions for a piscivorous snake. Zoological Studies 53: 42.

Weiperth, A.; Potyo, I.; Puky, M. 2014. Diet composition of the Dice Snake (Natrix tessellata Laurenti, 1768) (Reptilia: Colubridae) in the Danube River catchment area. Acta Zoologica Bulgarica (Supplement 7): 51-56.

Werner, Y.L. 1983. Lizards and snakes from eastern lower Egypt in the Hebrew University of Jerusalem and Tel Aviv University with range extensions. Herpetological Review 14(1): 29-31.

Werner, Y.L.; Shapira, T. 2011. A brief review of morphological variation in Natrix tessellata in Israel: between sides, among individuals, between sexes, and among regions. Turkish Journal of Zoology 35(4): 451-466.

Wirth, M.; Haehnlein, R. 2009. Die Europäischen Wassernattern: Freilandbeobachtung, Haltung und Zucht von Natrix natrix (Linnaeus, 1758), Natrix maura (Linnaeus, 1758) und Natrix tessellata (Laurenti, 1768). Draco 10(3) (39): 49-59.

Wishaupt, R. 1990. The dice snake (Natrix tessellata). Litteratura Serpentium (English Edition) 10(1): 42-48.

Wolf, P. 2004. Mäusebussard (Buteo buteo) frissts mutmassliche Würfelnatter (Natrix tessellata). Fauna und Flora in Rheinland Pfalz 10(2): 711.

Zagar, A.; Krofel, M.; Govedic, M.; Mebert, K. 2011. Distribution and habitat use of dice snakes (Natrix tessellata) in Slovenia. Mertensiella 18: 207-216.

Zhatkanbayev, A.Z. 2012. [A new data about vertebrate species which counting on the Almaty town territory (Report 1)]. (In Russian). Izvestiya Natsionalnoi Akademii Nauk Respubliki Kazakhstan Seriya Biologicheskaya i Meditsinskaya 3(291): 6-21.

Zhatkanbayev, A.Z. 2012. [A new data about vertebrate species which counting on the Almaty town territory (Report 2)]. (In Russian). Izvestiya Natsionalnoi Akademii Nauk Respubliki Kazakhstan Seriya Biologicheskaya i Meditsinskaya 4(292): 72-84.

Zimmermann, P.; Fachbach, G. 1996. Verbreitung und Biologie der Würfelnatter, Natrix tessellata tessellata (Laurenti, 1768), in der Steiermark (Österreich) (Squamata: Sepentes: Colubridae). Herpetozoa 8(3-4): 99-124.

Zuev, R.V.; Doronin, I.V. 2017. Natural history notes: Natrix tessellata (Dice Snake). Diet. Herpetological Review 48(1): 215.