I photographed this Columbian Ground Squirrel in the Bridger-Teton National Forest in northwestern Wyoming. They live in large underground colonies with both males and females being very territorial. Males defend a small core area within their home range, trying to keep other males from access to females. Females defend areas where their nest burrows are located. Columbian Ground Squirrel hibernate for seven to eight months of the year (hibernation) and do not awake to eat stored food during their hibernation.
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