Smooth Greensnake, Reptiles & Amphibians in Ontario

Smooth Green Snake (Opheodrys vernalis) at Herpedia™.com

Canadian Herpetological Society

Smooth Green Snake

Save All Snakes': some snake species in Ontario on verge of extinction, conservationist says

Ontario Reptiles and Amphibians (Canada)

Opheodrys vernalis - MAC MARZOLINI

The Reptiles & Amphibians of South Africa's KwaZulu-Natal - Naturetrek

Smooth Green Snake Ontario

Opheodrys vernalis The Reptile Database

Smooth Green Snake Animal Facts Opheodrys vernalis - A-Z Animals

Kansas Herpetofaunal Atlas