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Western Jumping Mouse Zapus princeps

 

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Western Jumping Mouse
credit: US Forest Service

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Family: Dipodidae, Jumping Mice view all from this family



Description Pelage grizzled dorsally, with pale yellowish-buff lateral line. Ears have a slight whitish border; tail less distinctly bicolored.


Dimensions 215-245mm, 130-150mm, 18-25g


Breeding Due to the short active season, they have only a single litter of 2-8 young after an 18-day gestation period. After nursing for 30 days, the young must put on enough fat to hibernate in the next 45 days. They manage this by feeding on grass seeds and forbs, although early in the active period they feed on invertebrates and fungi as well.


Habitat Meadows & fields, Swamps, marshes & bogs, Lakes, ponds, rivers & streams, Scrub, shrub & brushlands, Grasslands & prairies


Range Plains, Rocky Mountains, Southwest, California, Northwest, Eastern Canada, Western Canada, Alaska


Discussion Found in high mountain meadows and in wetter streamside habitats.


 

 

 

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