The Sonoyta mud turtle has evolved as an aquatic species in one of the driest parts of the Sonoran Desert. With webbed feet and an innate ability to swim, this turtle depends heavily on what little ...

TUCSON, Ariz.— The U.S. Fish and Wildlife Service announced final critical habitat protection today for the endangered Sonoyta mud turtle. These highly aquatic turtles are found only in Pima County, ...