[Illustration: least chipmunk]
Range: Western Colorado, western Utah, northern and eastern Arizona,
northern and central New Mexico. Inhabits all zones from Upper Sonoran
to Alpine. Total length 6⅔ to 9 inches. Tail 3 to 4½ inches. _The
smallest chipmunk with proportionally the longest tail. Tail carried
straight up when running._
[Illustration: _Least_]