Growing to about 10 to 15 inches (25 to 38 centimeters ... just small mammals but also other reptiles — including snakes. The black head helps it warm up by absorbing heat while the rest ...

Endemic to New York and Pennsylvania, the Short-Headed Garter Snake reaches about 10 inches in length. It feeds on earthworms in the wild but adapts to eat amphibians and small fish in captivity.