Opheodrys vernalis (Smooth green snake) - Michigan Natural
Meet Michigan's snakes: There are 18 species of snakes found in Michigan and only 1 is venomous
What do North American green snakes eat? - Quora
Ohio Birds and Biodiversity: A blue green snake
606 Smooth Green Snake Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
Cascabel: The Verdant Enigma - Forgotten Allegations of the Smooth Green Snake (Opheodrys vernalis) from the Edwards Plateau of Texas
Species of the Month: Smooth Green Snake (Opheodrys vernalis)
Opheodrys vernalis – Smooth Greensnake
Species of the Month: Smooth Green Snake (Opheodrys vernalis)
Opheodrys vernalis The Reptile Database