Western Hognose Snakes (Heterodon nasicus) are small burrowing serpents found in North America. They

Western Hognose Snakes (Heterodon nasicus) are small burrowing serpents found in North America. They are famous for their two dramatic defense behaviours: puffing up their neck like cobras, and playing dead.

Photos:Reptiles and Amphibians of Iowa,Joel Such