Other vertebrates include the Great Plains toad and western hognose snake. The western hognose snake is primarily diurnal. The sole venomous snake is a species of hognose snake, "Lystrophis dorbignyi" (). They have many predators, especially the hognose snake ("Heterodon nasicus"). These include the eastern indigo snake, southern hognose snake and the mimic glass lizard. The western hognose snake is a relatively small, stout-bodied snake. Hognose snake is a common name for several colubrid snake species with upturned snouts. The western hognose snake occurs from southern Canada throughout the United States to northern Mexico. With the right care, the speckled hognose snake is relatively easy to care for. The Eastern hognose snake feeds extensively on amphibians, and has a particular fondness for toads.