A species of venomous pit-viper common in the Eastern United States. Dorsally they have a pattern of dark brown or black crossbands on a yellowish brown or grayish background. The crossbands have irregular zig-zag edges, and may be V-shaped or M-shaped. Often a rust-colored vertebral stripe is present. Ventrally they are yellowish, uniform or marked with black. Melanism is common, and some individuals are very dark, almost solid black.
Deciduous forests in rough terrain
Spotted on May 9, 2009
Submitted on Feb 4, 2012