Diet Overlap

Tamiasciurus douglasii (Douglas's squirrel)
Tamias amoenus (yellow-pine chipmunk)

Common Diet

Pinus ponderosa (Ponderosa pine)

Common Habitat

Blue Mountains forests
British Columbia mainland coastal forests
California Central Valley grasslands
California Floristic Province
California interior chaparral and woodlands
Cascade Mountains leeward forests
Central and Southern Cascades forests
Eastern Cascades forests
H.J. Andrews Biosphere Reserve
Klamath-Siskiyou forests
Lake Chelan National Recreation Area
Lassen Volcanic National Park
Lava Beds National Monument
Mount Rainier National Park
North America
Olympic Biosphere Reserve
Palouse grasslands
Puget lowland forests
Sierra Nevada forests
Snake-Columbia shrub steppe
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Yosemite National Park

Attributes / relations provided by
♦ 1Tamiasciurus douglasii, Michael A. Steele, MAMMALIAN SPECIES No. 630, pp. 1-8 (1999)
♦ 2Tamias amoenus, Dallas A. Sutton, MAMMALIAN SPECIES No. 390, pp. 1-8 (1992)