Head drawings: genus Enulius(Serpentes: Colubridae) - compiled by Van Wallach Home

Enulius bifoveatus (from Köhler 2001)
Enulius flavitorques (from Savage 2002)
Enulius flavitorques (from Savage 2002)
Enulius flavitorques (from Fischer 1882)
Enulius oligostichus (from McDiarmid & Bezy 1971)