Least Chipmunk (Tamias minimus) (Neotamias minimus) (Eutamias minimus) standing and reaching, San Juan National Forest, Colorado, United States of America, North America

Least chipmunk (Tamias minimus) (Neotamias minimus (Eutamias minimus), San Juan National Forest, Colorado, United States of America, North America

Least chipmunk (Tamias minimus) (Neotamias minimus) (Eutamias minimus), San Juan National Forest, Colorado, United States of America, North America

Colorado chipmunk (Eutamias quadrivittatus), San Juan National Forest, Colorado, United States of America, North America

Colorado chipmunk (Eutamias quadrivittatus) eating, San Juan National Forest, Colorado, United States of America, North America

Colorado chipmunk (Eutamias quadrivittatus) eating, San Juan National Forest, Colorado, United States of America, North America

A Chipmunk (Tamias) on a log in the forest of Breckenridge, Colorado, United States of America, North America

Uinta chipmunk (Tamias umbrinus) eating, Grand Mesa National Forest, Colorado, United States of America, North America

Uinta Chipmunk (Tamias umbrinus), Uncompahgre National Forest, Colorado, United States of America, North America

Colorado chipmunk (Eutamias quadrivittatus), Rocky Mountain National Park, Colorado, United States of America, North America