Diet: Feeds mostly on seeds, but also eat a few insects. Does not require free water.
Habitat: Desert flats and the edges of dry lake beds with fine soils and sagebrush and rabbitbrush, primarily in the Upper Sonoran (Mojave Desert Scrub) life zone.
Range: Most of the Great Basin Desert in Nevada, southeast Oregon, northwest Utah, and the eastern edge of California.
Comments: Nocturnal. The tail is a fat-storage organ, which is unique among North American mammals.