Diet Overlap

Lemmus sibiricus (brown lemming) Poecile hudsonicus (Boreal Chickadee)

Common Diet

Arctostaphylos alpinus (alpine bearberry) Empetrum nigrum (black crowberry) Vaccinium vitis-idaea (lingonberry)

Common Habitat

Alaska Peninsula montane taiga Alaska-St. Elias Range tundra Arctic National Wildlife Refuge Bonanza Creek LTER Site British Columbia mainland coastal forests Central British Columbia Mountain forests Cook Inlet taiga Denali Biosphere Reserve Fraser Plateau and Basin complex Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Ivvavik National Park Kluane National Park and Reserve Muskwa-Slave Lake forests North America Northern Canadian Shield taiga Northern Cordillera forests Northern transitional alpine forests Northwest Territories taiga Ogilvie-MacKenzie alpine tundra Pacific Coastal Mountain icefields and tundra Southern Hudson Bay taiga Wapusk National Park Yukon Interior dry forests