Mammal species include the bobcat, coyote, black bear, black-tailed jackrabbit, desert cottontail, desert bighorn sheep, mule deer, white-tailed deer, gray fox, mountain lion, river otter, long-tailed weasel, western spotted skunk, pronghorn, raccoon, and Ord's kangaroo rat, all of which can be found in parts of every southwestern state.
Other reptiles in the region include lizards and turtles.