Wide-ranging throughout the southeastern United States and northeastern Mexico. Northern borders of its range stretch from southern New Jersey to eastern Kansas. To the west, it can be found from eastern Kansas down to central Texas. Southern and eastern borders follow the Gulf and Atlantic coasts.
This snake is highly arboreal and usually lives near permanent bodies of water. Damp meadows and forest edges are preferred habitats. It is often found in thick vegetation around ponds and lakes.
A long, slender snake that's named for its mildly keeled scales and vibrant green coloration. It has a narrow head and large eyes with round pupils. Its ventrum is pale yellowish green, and it has yellow scales outlining its mouth. It can reach 45 inches in total length.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians