Diet Overlap

Martes americana (American Marten)
Lagopus muta (Rock Ptarmigan)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Arctic foothills tundra
Arctic National Wildlife Refuge
Beringia lowland tundra
Beringia upland tundra
British Columbia mainland coastal forests
Brooks-British Range tundra
Cascade Mountains leeward forests
Central British Columbia Mountain forests
Central Canadian Shield forests
Central Pacific coastal forests
Cook Inlet taiga
Copper Plateau taiga
Denali Biosphere Reserve
Eastern Canadian forests
Eastern Canadian Shield taiga
Fraser Plateau and Basin complex
Glacier Bay National Park and Preserve
Gros Morne National Park
Gwaii Haanas National Park Reserve
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Kluane National Park and Reserve
Mid-Continental Canadian forests
Midwestern Canadian Shield forests
Muskwa-Slave Lake forests
Nahanni National Park Reserve
North America
North Central Rockies forests
Northern Canadian Shield taiga
Northern Cordillera forests
Northern Pacific coastal forests
Northern transitional alpine forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Pacific Coastal Mountain icefields and tundra
Palouse grasslands
Puget lowland forests
Queen Charlotte Islands
Southern Hudson Bay taiga
Vuntut National Park
Wapusk National Park
Wrangell-St. Elias National Park and Preserve
Yukon Interior dry forests

Attributes / relations provided by
♦ 1Exploring the Denali Food Web, ParkWise, National Park Service
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.