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Distribution of Alpine chipmunk. Alpine chipmunks only live in high Sierra Nevada, from Yosemite National Park in the north, to Olancha Peak in the south. They have been observed at altitudes from around 2,300 meters (7,500 ft) [6] to 3,900 meters (12,800 ft), [7] though they rarely occur below 2,500 meters (8,200 ft).
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.
It has lighter fur on the lower part of its body. It has a tawny stripe that runs from its whiskers to below its ears, and light stripes over its eyes. It has two fewer teeth than other chipmunks and four toes each on the front legs, but five toes on the hind legs. [16] The chipmunk's appearance "remains consistent throughout life.
A large chipmunk, adults can be 36 cm (14 in) from nose to the tip of its tail. In much of its range, it is the only chipmunk; it can be identified by its tail which is grayish above and reddish below, and by its brown coloration with indistinct tawny stripes.
The yellow-pine chipmunk (Neotamias amoenus) is a species of order Rodentia in the family Sciuridae.It is found in parts of Canada and the United States. [2]These chipmunks are normally found in brush-covered areas, and in California, they inhabit an elevation range of around 975 to 2,900 meters.
The Uinta chipmunk is a medium-sized chipmunk, with adults ranging from 20 to 24 cm (7.9 to 9.4 in) in length, including the tail at 7 to 11 cm (2.8 to 4.3 in), and weighing an average of 67 g (2.4 oz). The predominant color of the summer coat varies from yellowish brown-grey to dark brown, often with a reddish tinge.
Adults weigh 66.8–108.5 g (2.36–3.83 oz), with females being larger than males on average as the species exhibits a dimorphism ration of 1.033. [4] The coastal subspecies ( Neotamias senex pacifica ) is characterized by an overall dark fur complexion with indistinct dorsal stripes, similar to that of Neotamias townsendii .
The chipmunks' size varies from 8 to 10 inches (20 to 25 cm), and they weigh an average of 2.5 oz (70 g). These small creatures live to a staggering 12 + 1 ⁄ 2 years. The chipmunks are brown on their underside and gray on the back, with white stripes on their face.