Missouri Animals Plains Hognose Snake   (Heterodon nasicus nasicus) Chordate: Vertebrate: Reptile: Serpentia: Colubridae Native North American snake Habitat: prairie. Diet: rodents, toads, small lizards, small snakes, reptile eggs.. ID Features: tan body with dark blotches, peculiar pig nose. Natural History: The plains hognose snake is a small snake that grows to 25 inches in length. It takes shelter in loose burrows that it digs. It may hiss, try to hide its head, spread its head, write about, or play dead when caught..

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