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Smithsonian National Museum of Natural History, North American Mammals

  Rodentia · Sciuridae · Cynomys parvidens

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Cynomys parvidens

Utah Prairie Dog

Order: Rodentia
Family: Sciuridae

Image of Cynomys parvidens
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Conservation Status: Endangered.


The Utah prairie dog, extinct in more than 90 percent of its former range, is an endangered species protected by law. It now lives in a small area of southern Utah, between the ranges of Gunnison's prairie dog and the white-tailed prairie dog. Like the other species, it is social, living in colonies, and diurnal, spending its days feeding on grasses and herbs. In a captive colony that was excavated in winter, each prairie dog was found hibernating alone in a fairly deep chamber, 100-200 cm beneath the surface. The animals had plugged the entrance to their hibernating chambers with earth.

Sexual Dimorphism:

Males are larger than females.

Length:

Average: 341 mm males; 319.7 mm females
Range: 299-370 mm males; 290-368 mm females

Weight:

Average: 636 g males; 516 g females
Range: 460-1,250 g males; 410-790 g females

References:

Allen, J.A., 1905.  Mammals from Beaver County, Utah. Collected by the museum expedition of 1904, p. 119.  Bulletin of the Museum of Science, Brooklyn Institute of the Arts and Science, 1:117-122.

Links:

Mammal Species of the World (opens in a new window).

Mammalian Species, American Society of Mammalogists' species account * (opens in a new window).
* PDF reader available here (opens in a new window).

Distribution of Cynomys parvidens

Image of Cynomys parvidens
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