Allen's Chipmunk is a large, richly colored chipmunk of mature conifer forests in the mountains of northern California, western Oregon, and Nevada. It is one of the least-studied western chipmunks, associated with old-growth and mature forests with complex understory. Its large size and vivid stripes make it one of the more conspicuous of the western chipmunks.
Best time to see a Allen's Chipmunk
The best time to see a Allen's Chipmunk is May–August, when about 68% of U.S. sightings happen, based on 215 research-grade iNaturalist observations.
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Recent Allen's Chipmunk sightings near you
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