Citellus leucurus
There are several species of ground squirrels found within Lake Mead National Recreation Area, but the White-tailed Antelope ground squirrel is the most commonly seen. In fact, it is the most frequently observed of all the desert animals of this area. It is also the easiest to recognize. It is about the size of a chipmunk, 5-6 inches in length. It is a grizzly gray color, with a prominent white stripe running down each side of the back. The underbelly is white. Its ears are very small. The tail is short, flat, fairly bushy and its underside is white. It breeds in the spring, with up to 10 babies born in May or June. Habitat: Ground squirrels live in a variety of places, although it seems to prefer rocky slopes where shrubs and other seed bearing plants are found. It usually digs its burrow under the protective roots of a large shrub or group of bushes or along the edge of a boulder. Diet: It is a diurnal omnivore, feeding on seeds, plant material, insects, carrion, and even an occasional nestling bird or egg. Adaptations: This desert dweller has numerous adaptations. It can survive with a much higher body temperature. It keeps cool in the scorching summer heat by washing it head with its own saliva. As the moisture evaporates, it cools the body. When running, the squirrel flashes its tail up over its back, exposing the white underside. The light coloration helps to reflect the sunlight.
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