Diet Overlap

Sphyrapicus thyroideus (Williamson's Sapsucker)
Tamias amoenus (yellow-pine chipmunk)

Common Diet

Pinus jeffreyi (Jeffrey's pine)

Common Habitat

Blue Mountains forests
California Central Valley grasslands
California Floristic Province
Central and Southern Cascades forests
Eastern Cascades forests
Grand Teton National Park
Great Basin montane forests
Great Basin shrub steppe
Klamath-Siskiyou forests
Lassen Volcanic National Park
Lava Beds National Monument
McCloud River Preserve
Montana Valley and Foothill grasslands
North America
Okanagan dry forests
Palouse grasslands
Sierra Nevada forests
Snake-Columbia shrub steppe
South Central Rockies forests
Wasatch and Uinta montane forests
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yosemite National Park

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Geographic variation in walnut seed size correlates with hoarding behaviour of two rodent species, N. Tamura and F. Hayashi, Ecol Res (2008) 23: 607–614