Antelope squirrel

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Antelope squirrels
Temporal range: Late Miocene - Recent
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Rodentia
Family: Sciuridae
Tribe: Marmotini
Genus: Ammospermophilus
Merriam, 1892

A. harrisii
A. insularis
A. interpres
A. leucurus
A. nelsoni

The antelope squirrels or antelope ground squirrels of the genus Ammospermophilus are sciurids found in the southwestern United States and northern Mexico.

A type of ground squirrel, the antelope squirrels live in desert or dry scrub areas. They are able to resist hyperthermia and can survive body temperatures over 104 °F (40 °C).

Five species are currently recognised, with ranges that overlap little. They are:

All are somewhat similar in appearance and behavior. They are around 14–17 cm long with a 6–10 cm tail, and weigh 110–150 grams. The tail is somewhat flattened. They have a single white stripe on both flanks and none on the face. They live in burrows, which they dig for themselves. They are diurnal, and do not hibernate (though they become less active during the winter), so they are fairly easily seen.

White-tailed antelope squirrel


  • Thorington, R. W. Jr. and R. S. Hoffman. 2005. Family Sciuridae. pp. 754–818 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.