Opheodrys aestivus, commonly known as the rough green snake, is a species of nonvenomous North American snake in the subfamily Colubrinae of the family Colubridae. The species is sometimes called gras

Snakes are elongated legless reptiles of the suborder Serpentes. Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group