Diet Overlap

Bubo virginianus (Great Horned Owl)
Strix nebulosa (Great Grey Owl)

Common Diet

Glaucomys sabrinus (northern flying squirrel)
Sorex vagrans (Vagrant Shrew)
Thomomys talpoides (northern pocket gopher)

Common Habitat

Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Arctic National Wildlife Refuge
Banff National Park
Blue Mountains forests
Bonanza Creek LTER Site
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Floristic Province
Canadian Aspen forests and parklands
Cascade Mountains leeward forests
Cedar Creek LTER Site
Central and Southern Cascades forests
Central British Columbia Mountain forests
Central Canadian Shield forests
Central Pacific coastal forests
Cook Inlet taiga
Copper Plateau taiga
Crater Lake National Park
Denali Biosphere Reserve
Devil's Postpile National Monument
Eastern Cascades forests
Elk Island National Park
Fathom Five National Marine Park
Fraser Plateau and Basin complex
Fundy National Park
Gates of the Arctic National Park
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Jasper National Park
Klamath-Siskiyou forests
Kluane National Park and Reserve
Kootenay National Park
Lake Superior Provincial Park
Lassen Volcanic National Park
Lava Beds National Monument
Long Point Biosphere Reserve
Mid-Continental Canadian forests
Midwestern Canadian Shield forests
Montana Valley and Foothill grasslands
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Central Rockies forests
Northern Canadian Shield taiga
Northern Cordillera forests
Northern mixed grasslands
Northern Pacific coastal forests
Northern short grasslands
Northern tall grasslands
Northern transitional alpine forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Olympic Biosphere Reserve
Pacific Coastal Mountain icefields and tundra
Palouse grasslands
Polar Bear Provincial Park
Prince Albert National Park
Puget lowland forests
Pukaskwa National Park
Queen Charlotte Islands
Redwood National Park
Riding Mountain Biosphere Reserve
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Sequoia and Kings Canyon Biosphere Reserve
Snake-Columbia shrub steppe
Southern Hudson Bay taiga
Voyageurs National Park
Waterton Biosphere Reserve
Willamette Valley forests
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Yellowstone Biosphere Reserve
Yoho National Park
Yosemite National Park
Yukon Interior dry forests

Attributes / relations provided by
♦ 1Glaucomys sabrinus, Nancy Wells-Gosling and Lawrence R. Heaney, Mammalian Species No. 229, pp. 1-8 (1984)
♦ 2Making The Forest And Tundra Wildlife Connection
♦ 3Sorex vagrans, Scott W. Gillihan and Kerry R. Foresman, MAMMALIAN SPECIES No. 744, pp. 1–5 (2004)
♦ 4Thomomys talpoides, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 618, pp. 1-11 (1999)