Diet Overlap

Tamiasciurus douglasii (Douglas's squirrel)
Tamias quadrimaculatus (long-eared chipmunk)

Common Diet

Pseudotsuga menziesii (Douglas fir)

Common Habitat

California Floristic Province
Lassen Volcanic National Park
North America
Sierra Nevada forests
Yosemite National Park

Attributes / relations provided by
♦ 1Tamiasciurus douglasii, Michael A. Steele, MAMMALIAN SPECIES No. 630, pp. 1-8 (1999)
♦ 2Tamias quadrimaculatus, Robin G. Clawson, Joseph A. Clawson, and Troy L. Best, MAMMALIAN SPECIES No. 469, pp. 1-6 (1994)