Large-headed water snake
The large-headed water snake is a species of snake in the subfamily Natricinae of the family Colubridae.Natrix megalocephala is native to the Caucasus region and has been recorded in Azerbaijan, Georgia, Russia, and Turkey.Taxonomy
Natrix megalocephala was added to Annex II of the Convention on the Conservation of European Wildlife and Natural Habitats in 1996, but as of 2005 taxonomic studies have recommended this taxon for removal as it may not be genetically distinct from Natrix natrix natrix.