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Chipmunks are classified as four genera: Tamias, of which the eastern chipmunk (T. striatus) is the only living member; Eutamias, of which the Siberian chipmunk (E. sibiricus) is the only living member; Nototamias, which consists of three extinct species, and Neotamias, which includes the 23 remaining, mostly western North American, species.
During the winter, the chipmunk may enter long periods of hibernation. [22] Predators of the eastern chipmunk include hawks, owls, foxes, raccoons, snakes, weasels, coyotes, bobcats, lynx, domestic dogs and domestic cats. On average, eastern chipmunks live three or more years in the wild, but in captivity they may live as long as eight years. [16]
Siberian chipmunks usually live solitary lives, but during the winter they create a burrow, which they often share with another chipmunk. [ 3 ] [ 9 ] Its burrow, which can be 2.5 m (8 ft 2 in) long and 1.5 m (4 ft 11 in) deep, consists of a nest chamber, several storage chambers and chambers for the waste.
Least chipmunks are found through most of the western United States from northern New Mexico and western North and South Dakota to eastern California, Oregon and Washington, and throughout much of southern and western Canada from Yukon and southeastern British Columbia [7] to central Ontario, and into the Upper Peninsula of Michigan and neighboring parts of Wisconsin and Minnesota.
The Lodgepole chipmunk is an omnivore, feeding on both animal (mammals, birds, bird eggs, small invertebrates arthropods, and insects) and plant matter (leaves, flowers, pollen, fungi, and seeds). [3] Like most rodents, this chipmunk engages in the foraging behavior of caching and storing food in order to survive the long winter hibernation.
The yellow-cheeked chipmunk is the largest species in the genus Neotamias and grows to a total length of 233 to 297 mm (9.2 to 11.7 in) including a tail of 97 to 130 mm (3.8 to 5.1 in). It is a dark, tawny olive with five dark longitudinal stripes on the body, the central one along the spine being the most prominent, and three on the head ...
Allen's chipmunk (Neotamias senex), also known as the shadow chipmunk, is a species of chipmunk native to the western United States. [2] Occurring in California , Oregon , and Nevada , it is a common species of the Sierra Nevada .
Ground squirrels are rodents of the squirrel family that generally live on the ground or in burrows, rather than in trees like the tree squirrels.The term is most often used for the medium-sized ground squirrels, as the larger ones are more commonly known as marmots (genus Marmota) or prairie dogs, while the smaller and less bushy-tailed ground squirrels tend to be known as chipmunks (genus ...