Diet Overlap

Haemorhous cassinii (Cassin's Finch)
Pinicola enucleator (Pine Grosbeak)

Common Diet

Populus tremuloides (quaking aspen)

Common Habitat

Bandelier National Monument
Banff National Park
Bighorn Canyon National Recreation Area
Black Canyon of the Gunnison National Park
British Columbia mainland coastal forests
Bryce Canyon National Park
California Floristic Province
Canyonlands National Park
Capital Reef National Park
Cascade Mountains leeward forests
Cedar Breaks National Monument
Central and Southern Cascades forests
Central Pacific coastal forests
Central Plains Biosphere Reserve
Chihuahuan desert
Chiricahua National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Coram Biosphere Reserve
Crater Lake National Park
Craters of the Moon National Monument
Curecanti National Recreation Area
Devil's Postpile National Monument
Devils Tower National Monument
Dinosaur National Monument
Fraser Plateau and Basin complex
Grand Canyon National Park
Grand Teton National Park
Great Basin National Park
Great Basin shrub steppe
Kootenay National Park
Lake Roosevelt National Recreation Area
Lassen Volcanic National Park
Mesa Verde National Park
Mojave desert
Montana Valley and Foothill grasslands
Mount Rainier National Park
Mount Revelstoke National Park
Navajo National Monument
North America
North Central Rockies forests
Northern short grasslands
Okanagan dry forests
Palouse grasslands
Puget lowland forests
Rocky Mountain Biosphere Reserve
Sequoia and Kings Canyon Biosphere Reserve
Shortgrass Steppe LTER Site
Snake-Columbia shrub steppe
South Central Rockies forests
Tamaulipan mezquital
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western short grasslands
Willamette Valley forests
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho 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.
2Making The Forest And Tundra Wildlife Connection