Several kinds of native and introduced frogs may be seen there, including bullfrogs. Later in the season, visitors may spot polliwogs in the ditches. The Desert National Wildlife Range includes many different kinds of habitats from desert flats to forested mountain ranges. To better protect the desert bighorn sheep, most of the refuge remains remote and difficult to access. Only a few rough roads and trails penetrate the range's interior beyond Corn Creek.
Desert bighorns prefer the most rugged, inaccessible parts of the range.
Other large mammals sharing the preserve include mule deer, cougars, coyotes and foxes. Since Corn Creek provides good hunting for such predators as coyotes, birds of prey and reptiles, visitors there may well encounter them or at least spot their tracks in the dust of the trails. At a couple of points along the trail system, benches invite quiet enjoyment of the outdoors. Sit still for a few minutes and tune your senses to what goes on around you. Waterfowl call to each other among the tules.