Diet Overlap

Lagopus lagopus (Willow Ptarmigan)
Phenacomys intermedius (western heather vole)

Common Diet

Betula glandulosa (resin birch)
Vaccinium vitis-idaea (lingonberry)

Common Habitat

British Columbia mainland coastal forests
Cascade Mountains leeward forests
Central Pacific coastal forests
Fraser Plateau and Basin complex
Jasper National Park
Kluane National Park and Reserve
North America
North Central Rockies forests
Northern transitional alpine forests
Prince Albert National Park
Wapusk National Park
Wood Buffalo National Park

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Phenacomys intermedius, James A. McAllister and Robert S. Hoffman, MAMMALIAN SPECIES No. 305, pp. 1-8 (1988)
♦ 3Making The Forest And Tundra Wildlife Connection