Diet Overlap

Ursus arctos (Grizzly Bear)
Martes americana (American Marten)

Common Diet

Arctostaphylos alpinus (alpine bearberry)
Empetrum nigrum (black crowberry)
Lepus americanus (Snowshoe Hare)
Myodes rutilus (northern red-backed vole)
Rubus idaeus (Raspberry)
Shepherdia canadensis (russet buffalo-berry)
Tamiasciurus hudsonicus (red squirrel)
Urocitellus columbianus (Columbian ground squirrel)
Vaccinium uliginosum (bog blueberry)
Vaccinium vitis-idaea (lingonberry)

Common Habitat

Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Arctic foothills tundra
Arctic National Wildlife Refuge
Banff National Park
Beringia lowland tundra
Beringia upland tundra
British Columbia mainland coastal forests
Brooks-British Range tundra
Canadian Aspen forests and parklands
Cascade Mountains leeward forests
Central British Columbia Mountain forests
Cook Inlet taiga
Copper Plateau taiga
Coram Biosphere Reserve
Denali Biosphere Reserve
Fraser Plateau and Basin complex
Glacier Bay National Park and Preserve
Glacier National Park
Grand Teton National Park
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Jasper National Park
Kluane National Park and Reserve
Kootenay National Park
Mid-Continental Canadian forests
Montana Valley and Foothill grasslands
Mount Revelstoke National Park
Muskwa-Slave Lake forests
Nahanni National Park Reserve
North America
North Central Rockies forests
Northern Canadian Shield taiga
Northern Cordillera forests
Northern Pacific coastal forests
Northern transitional alpine forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Pacific Coastal Mountain icefields and tundra
Puget lowland forests
South Central Rockies forests
Vuntut National Park
Wapusk National Park
Waterton Biosphere Reserve
Wrangell-St. Elias National Park and Preserve
Yellowstone Biosphere Reserve
Yoho National Park
Yosemite National Park
Yukon Interior dry forests

Attributes / relations provided by
1Making The Forest And Tundra Wildlife Connection
2Exploring the Denali Food Web, ParkWise, National Park Service
3Martes americana, Tim W. Clark, Elaine Anderson, Carman Douglas, and Marjorie Strickland, MAMMALIAN SPECIES No. 289, pp. 1-8 (1987)
4National Geographic Magazine - May 2016 - Yellowstone - The Carnivore Comeback
5Spermophilus columbianus, Charles L. Elliott and Jerran T. Flinders, MAMMALIAN SPECIES No. 372, pp. 1-9 (1991)