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Pacific Jumping Mouse Zapus trinotatus


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Pacific Jumping Mouse
credit: US Forest Service

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Family: Dipodidae, Jumping Mice view all from this family

Description Brightly contrasting colors on back with a brownish (not white) border to the ears. Pelage tricolored, back dark brown, sides yellowish orange, and belly whitish. Distinct area of buff hair forms a lateral line. Fall pelage paler and less contrasting. Tail sparsely haired.

Dimensions 210-250mm, 110-155mm, 20-30g

Habitat Forests & woodlands, Meadows & fields, Swamps, marshes & bogs, Lakes, ponds, rivers & streams, Scrub, shrub & brushlands

Range California, Northwest, Western Canada

Discussion Their erratic and evasive locomotion has led to their description as nervous or high-strung. Feeds mainly on grass seeds, and leaves characteristic piles of stem cuttings. Found in wet meadow habitats of the Pacific Northwest.