Diet Overlap

Ochotona collaris (Collared Pika)
Lagopus leucura (White-tailed Ptarmigan)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

Alaska-St. Elias Range tundra
Cook Inlet taiga
Copper Plateau taiga
Denali Biosphere Reserve
North America
Northern Pacific coastal forests
Pacific Coastal Mountain icefields and tundra
Wrangell-St. Elias National Park and Preserve

Attributes / relations provided by
1Ochotona collaris, Stephen O. MacDonald and Clyde Jones, MAMMALIAN SPECIES No. 281, pp. 1-4 (1987)
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.