[Illustration: Colorado chipmunk]
Range: Northern Arizona, northern New Mexico, most of Utah, and all but
the most northern portion of Colorado. This chipmunk lives largely in
the Transition Life Zone. The closely related species _umbrinus_,
commonly called “Uinta chipmunk” inhabits the Canadian and Hudsonian
Life Zones in the Uinta and Wasatch Mountains of northeastern Utah.
[Illustration: _Colorado_]
[Illustration: Uinta chipmunk]
[Illustration: _Uinta_]