IUCN threat status:

Least Concern (LC)

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Description

Western Jumping Mice are common in meadows, streamsides, and marshes in northwestern mountains. They also occur in subalpine meadows, and are found at low densities in dry, low-elevation, grassy habitats. The Mice have one litter per year. The young nurse for about a month, and after weaning have a month and a half to eat seeds and put on the fat they need to hibernate. Their summer weight is 18-24 g; just before hibernation, they can weigh up to 35 g. Only about half the juveniles who enter hibernation survive the winter.

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© Smithsonian Institution

Source: Smithsonian's North American Mammals

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