…was warming itself on the paved surface on the path of the old Mountain Goat railroad tracks. This snake is the reptilian incarnation of leaves: its body is a gorgeous soft green color. Rough Green Snakes are nonvenomous and they climb trees to feed on insects. The one that I encountered on the path was about 20 inches long and about as wide as my index finger. It watched me for a minute, then turned and sped into the low vegetation.