Description: English: Alpine Chipmunk (Tamias alpinus) on a redwood tree in the high Sierras in California. Date: 5 July 2014, 10:55:26. Source: https://www.flickr.com/photos/sonstroem/14411515778/. Author: Eric Sonstroem.
Description: English: Tamias alpinus, observed near Cascade Lake east of Yosemite National Park, CA. Date: 4 August 2015. Source: Own work. Author: Talisintess.