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Least chipmunk (Neotamias minimus)        Images © Mark A. Chappell

Chipmunks are an attractive and species-rich group, especially in mountainous regions in the western US; others occur in eastern North America and in Eurasia.  All are active, alert, and fast-moving.   Four occur on the east slope of the central Sierra Nevada in California: the alpine chipmunk, the lodgepole chipmunk, the yellow-pine chipmunk, and the least chipmunk.   Least chipmunks are the smallest and most widely distributed chipmunk in North America; they can usually be recognized by pale coloration, a thin tail (often held vertical, as at upper right), and tan sides set off from the white dorsal stripes by a dark line.   Some of these were photographed in the White Mountains of eastern California, at about 3,500 - 3,800 m (roughly 12,000 -12,500 feet).   Others were on Convict Creek in the eastern Sierra Nevada and in Rocky Mountain National Park in Colorado.  More photos of this species are here.   Chipmunk species pictured on this site include:

  • Canon 1D Mk. II, 1D4, or 7D2; 500mm f4 IS with 2X converter or 800 mm IS with 1.4X converter, fill-in flash (2004, 2005, 2006, 2012, 2018)