Diet Overlap

Lagopus lagopus (Willow Ptarmigan)
Ochotona collaris (Collared Pika)

Common Diet

Empetrum nigrum (black crowberry)
Vaccinium vitis-idaea (lingonberry)

Common Habitat

Alaska-St. Elias Range tundra
Brooks-British Range tundra
Cook Inlet taiga
Copper Plateau taiga
Denali Biosphere Reserve
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
North America
Northern Cordillera forests
Northern Pacific coastal forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Pacific Coastal Mountain icefields and tundra
Wrangell-St. Elias National Park and Preserve
Yukon Interior dry forests

Attributes / relations provided by
♦ 1Making The Forest And Tundra Wildlife Connection
♦ 2Ochotona collaris, Stephen O. MacDonald and Clyde Jones, MAMMALIAN SPECIES No. 281, pp. 1-4 (1987)