Diet Overlap

Tamiasciurus douglasii (Douglas's squirrel)
Tamias umbrinus (Uinta chipmunk)

Common Diet

Picea engelmannii (Engelmann spruce)
Pinus ponderosa (Ponderosa pine)
Pseudotsuga menziesii (Douglas fir)

Common Habitat

North America

Attributes / relations provided by
♦ 1Tamiasciurus douglasii, Michael A. Steele, MAMMALIAN SPECIES No. 630, pp. 1-8 (1999)
♦ 2Tamias umbrinus (Rodentia: Sciuridae), JANET K. BRAUN, AUBREY A. JOHNSON, AND MICHAEL A. MARES, MAMMALIAN SPECIES 43(889):216–227 (2011)