Sciuridae
White-tailed Prairie Dog
Cynomys leucurus Merriam, 1890
Cynomys leucurus, the white-tailed prairie dog, is a tan-brown species with a described size range and distinct dark cheek patches.
Utah Prairie Dog
Cynomys parvidens J.A.Allen, 1905
Utah prairie dog (Cynomys parvidens) is the smallest prairie dog, endemic to Utah, US, and is classified as Endangered.
Gunnison's Prairie Dog
Cynomys gunnisoni (Baird, 1855)
Cynomys gunnisoni, or Gunnison's prairie dog, is a chromosome-distinct prairie dog that supports the sagebrush ecosystem in the southwestern US.
Texas Antelope Squirrel
Ammospermophilus interpres (Merriam, 1890)
Ammospermophilus interpres is a small ground squirrel found in the southwestern US and northern Mexico, listed as Least Concern by the IUCN.
Nelson's Antelope Squirrel
Ammospermophilus nelsoni (Merriam, 1893)
Ammospermophilus nelsoni, the San Joaquin antelope squirrel, is a threatened endemic squirrel of California's San Joaquin Valley.
White-tailed Antelope Squirrel
Ammospermophilus leucurus (Merriam, 1889)
Ammospermophilus leucurus, the white-tailed antelope squirrel, is a diurnal ground squirrel of arid southwestern North America.
Harris' Antelope Squirrel
Ammospermophilus harrisii (Audubon & Bachman, 1854)
Ammospermophilus harrisii is a small ground squirrel found in the southwestern US and northwestern Mexico that lives in arid desert habitats.
Franklin's Ground Squirrel
Poliocitellus franklinii (Sabine, 1822)
Franklin's ground squirrel is a medium-sized North American prairie squirrel with distinct physical features and scent glands.
Ring-tailed Ground Squirrel
Notocitellus annulatus (Audubon & Bachman, 1842)
Notocitellus annulatus, the ring-tailed ground squirrel, is a small endemic Mexican ground squirrel with distinctively ringed slender tails.
Tropical Ground Squirrel
Notocitellus adocetus (Merriam, 1903)
Notocitellus adocetus (tropical ground squirrel) is a small ground squirrel endemic to central Mexico.
California Ground Squirrel
Otospermophilus beecheyi (Richardson, 1829)
Otospermophilus beecheyi, the California ground squirrel, is a mostly herbivorous ground squirrel native to western North America.
Rock Squirrel
Otospermophilus variegatus (Erxleben, 1777)
Otospermophilus variegatus, the rock squirrel, is a large North American squirrel adapted to rocky habitats.
Cascade Golden-mantled Ground Squirrel
Callospermophilus saturatus (Rhoads, 1895)
Callospermophilus saturatus is a larger ground squirrel found in northwestern North America, likely formed via allopatric speciation.
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis (Say, 1823)
Callospermophilus lateralis is a North American ground squirrel with distinct back stripes, hibernates in winter, and is omnivorous.
Yellow Ground Squirrel
Spermophilus fulvus (Lichtenstein, 1823)
Spermophilus fulvus, the yellow ground squirrel, is a large sturdy diurnal ground squirrel native to parts of Asia and Russia.
European Ground Squirrel
Spermophilus citellus (Linnaeus, 1766)
Spermophilus citellus, the European ground squirrel, is a small digging squirrel native to central and southeastern Europe.
Asia Minor Ground Squirrel
Spermophilus xanthoprymnus (Bennett, 1835)
Spermophilus xanthoprymnus, the Asia Minor ground squirrel, is a small burrowing ground squirrel native to western Asia.
Red-cheeked Ground Squirrel
Spermophilus erythrogenys Brandt, 1841
Spermophilus erythrogenys, the red-cheeked ground squirrel, is a diurnal ground squirrel found across central and northern Asia.
Russet Ground Squirrel
Spermophilus major (Pallas, 1778)
Spermophilus major, the russet ground squirrel, is a diurnal ground squirrel found in steppes of Russia and northern Kazakhstan.
Caucasian Mountain Ground Squirrel
Spermophilus musicus Ménétries, 1832
Spermophilus musicus, the Caucasian Mountain ground squirrel, is a debated rodent species currently listed as least concern by the IUCN.
Mexican Ground Squirrel
Ictidomys mexicanus (Erxleben, 1777)
Ictidomys mexicanus, the Mexican ground squirrel, is a small to medium rodent with characteristic markings found in southern North America.
Rio Grande Ground Squirrel
Ictidomys parvidens (Mearns, 1896)
Ictidomys parvidens, the Rio Grande ground squirrel, is a Sciuridae species found in the southwestern US and northeastern Mexico.
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus (Mitchill, 1821)
Ictidomys tridecemlineatus is a brownish species with 13 alternating brown and whitish longitudinal markings on its back and sides.
Spotted Ground Squirrel
Xerospermophilus spilosoma (Bennett, 1833)
Xerospermophilus spilosoma, the spotted ground squirrel, is a small burrowing North American squirrel with distinct spotted markings and specific sandy habitat preferences.
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