Diet Overlap

Lagopus lagopus (Willow Ptarmigan)
Phenacomys ungava (eastern heather vole)

Common Diet

Arctostaphylos alpinus (alpine bearberry)
Betula glandulosa (resin birch)
Vaccinium uliginosum (bog blueberry)

Common Habitat

Alberta Mountain forests
Central British Columbia Mountain forests
Eastern Canadian forests
Eastern Canadian Shield taiga
Low Arctic tundra
Midwestern Canadian Shield forests
Muskwa-Slave Lake forests
North America
Northern Canadian Shield taiga
Northern Cordillera forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Southern Hudson Bay taiga
Torngat Mountain tundra
Yukon Interior dry forests

Attributes / relations provided by
1Making The Forest And Tundra Wildlife Connection
2Phenacomys ungava (Rodentia: Cricetidae), JANET K. BRAUN, SARA B. GONZALEZ-PEREZ, GARRETT M. STREET, JENNIE M. MOOK, AND NICHOLAS J. CZAPLEWSKI, MAMMALIAN SPECIES 45(899):18–29 (2013)
3del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.