Diet Overlap

Lemmus sibiricus (brown lemming) Ovis dalli (Dall's sheep)

Common Diet

Arctagrostis latifolia (wideleaf polargrass) Carex bonanzensis (Yukon sedge) Eriophorum scheuchzeri (white cottongrass) Salix alaxensis (feltleaf willow)

Common Habitat

Alaska-St. Elias Range tundra Arctic foothills tundra Arctic National Wildlife Refuge Brooks-British Range tundra 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 Cordillera forests Northern transitional alpine forests Ogilvie-MacKenzie alpine tundra Pacific Coastal Mountain icefields and tundra Yukon Interior dry forests