The Death Valley fauna includes 51 species of mammals (including coyotes, foxes, lynx, cougars, Odocoileus), 307 species of birds (including the ground cuckoo), 36 species of reptiles, and 3 species of amphibians.
The park is home to bighorn sheep - a subspecies of mountain sheep living in small isolated flocks in the Sierra Nevada and Death Valley. These animals are among highly adaptable and can feed on almost all types of plants.
Among the fish living in the Park is the endemic species of Devils Hole pupfish (Cyplinodon diabolis), which is a critically endangered species.
