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Timber Rattlesnake

Crotalus horridus


Timber rattlesnakes are large, heavy-bodied snakes characterized by dark crossbands or chevrons on a lighter background. This species usually has a black tail, but there is considerable variation in the overall color of individual snakes.


Generally, this species is found in deciduous forests in rugged terrain.


Treatment for North American pit viper snakebite (all rattlesnakes, copperheads, and cottonmouths): Polyvalent crotalid antivenin (CroFab - Crotalidae Polyvalent Immune Fab (Ovine)).

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Spotted by

Illinois, USA

Spotted on May 13, 2012
Submitted on May 14, 2012

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