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It is omnivorous, eating a variety of plants and insects and even birds' eggs. [3] Townsend's chipmunks in the Oregon Coast Range have higher population densities in areas with dense shrubbery, especially salal (Gaultheria shallon). [4] In the summer and early fall, Townsend's chipmunks eat blackberries, salal berries, and thimble berries.
An eastern chipmunk placing food in its cheek pouch. Chipmunks have an omnivorous diet primarily consisting of seeds, nuts and other fruits, and buds. [9] [10] They also commonly eat grass, shoots, and many other forms of plant matter, as well as fungi, insects and other arthropods, small frogs, worms, and bird eggs.
Eastern chipmunk eating under a log pile in Bedford, New York. The chipmunk is mainly active during the day, spending most of its day foraging. It prefers bulbs, seeds, fruits, nuts, green plants, mushrooms, insects, worms, and bird eggs. It commonly transports food in pouches in its cheeks.
The red-tailed chipmunk is a large species with a total length of about 230 mm (9 in) including a bushy tail of 105 mm (4 in). The mass varies from about 54 g (1.9 oz) in the spring to 60 g (2.1 oz) in the fall. Females are marginally larger than males. The head is mottled grayish-brown with dark stripes above, through and below the eye.
Anatomy and morphology. The Siskiyou chipmunk is closest in appearance to Allen's chipmunk (Neotamias senex) and the yellow-cheeked chipmunk (Neotamias ochrogenys).[2] Its coat is brown-gray, with a pattern of five dark brown and four gray stripes along its back; the central stripe tends to be blackish and darker in color compared to the other ...
Least chipmunks are diurnal and eat seeds, berries, nuts, fruits and insects. They mark areas depleted of suitable food with urine, and do not return to such patches afterwards. [8] Home ranges vary widely, and have been reported to vary from 0.1 ha (0.25 acres) in northern Michigan [4] to as much as 5.5 ha (14 acres) in Colorado. [9]
The Sonoma chipmunk (Neotamias sonomae) is a species of rodent in the squirrel family Sciuridae. It is endemic to northwestern California in the United States. [1] Members of Neotamias are characterized by having two premolars. [2] N. sonomae has two subspecies: N. s. alleni and N. s. sonomae. [3]
The Ezo chipmunk was first described by Philipp Franz von Siebold in 1824, shortly after his arrival in Japan: " Myoxus lineatus, its back marked and distinguished with five stripes, verging on black, that run the length of its body, lives on the island of Ezo; body 6½ inches, tail 4½ inches." [notes 1][2] As such, the type specimens are ...