Family: Sciuridae, Squirrels view all from this family
Description Gray back has indistinct stripes. Center dorsal stripe dark, others faint. White patch behind ears. Sides are brownish, underparts are creamy white. Tail is brownish orange below. T. d. utahensis from Utah has a more distinct dark stripe down the center of its back than other subspecies. Identifiable by pale gray color of back.
Dimensions 204-226mm, 82-100mm, 54-64g; / 212-235mm, 89-105mm, 58-67g
Habitat Forests & woodlands, Alpine & subalpine habitats, Canyons & caves
Range Rocky Mountains, Southwest
Discussion Call is a series of chips with a terminal pulse. Common in a variety of habitats with cliffs or boulders.