Missouri Animals Timber rattlesnake   (Crotalus horridus) Chordate: Vertebrate: Reptile: Serpentia: Crotalidae (VENOMOUS) Native North American snake Habitat: mature forests. Diet: rodents, small rabbits, small birds.. ID Features: gray body with alternating large black blotches. Natural History: The Timber rattlesnake is Missouri's largest venomous snake. It is heavy-bodied with keeled scales and a vertical slit pupil. Color can vary from yellow to tan, brown, or gray. It is found on south- and south-west facing hillsides..

The graphics and text are from: The Amphibians and Reptiles of Missouri by Tom R. Johnson, Missouri Department of Conservation, ©1992