Diet Overlap

Bubo virginianus (Great Horned Owl)
Mustela erminea (Ermine)

Common Diet

Microtus californicus (California vole)
Microtus montanus (montane vole)

Common Habitat

Acadia National Park
Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Allegheny Highlands forests
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arctic National Wildlife Refuge
Atlantic coastal pine barrens
Badlands National Park
Bandelier National Monument
Banff National Park
Beringia lowland tundra
Beringia upland tundra
Blue Mountains forests
Bonanza Creek LTER Site
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Central Valley grasslands
California Floristic Province
California interior chaparral and woodlands
Canadian Aspen forests and parklands
Cape Breton Highlands National Park
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
Central Plains Biosphere Reserve
Central tall grasslands
Champlain-Adirondack Biosphere Reserve
Chippewa Nature Center
Colorado Plateau shrublands
Colorado Rockies forests
Cook Inlet taiga
Copper Plateau taiga
Denali Biosphere Reserve
Devils Tower National Monument
Eastern Canadian forests
Eastern Canadian Shield taiga
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
El Morro National Monument
Elk Island National Park
Fathom Five National Marine Park
Fort Necessity National Battlefield
Fraser Biosphere Reserve
Fraser Plateau and Basin complex
Fundy National Park
Georgian Bay Islands National Park
Glacier Bay National Park and Preserve
Glacier National Park
Grand Teton National Park
Grasslands National Park
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Gros Morne National Park
Gulf of St. Lawrence lowland forests
H.J. Andrews Biosphere Reserve
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Isle Royale Biosphere Reserve
Jasper National Park
Kejimkujik National Park
Kejimkujik Seaside Adjunct
Klamath-Siskiyou forests
Kluane National Park and Reserve
Kootenay National Park
Kouchibouguac National Park
La Mauricie National Park
Lake Superior Provincial Park
Lassen Volcanic National Park
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mingan Archipelago National Park Reserve
Montana Valley and Foothill grasslands
Mount Rainier National Park
Mount Revelstoke National Park
Muskwa-Slave Lake forests
Nahanni National Park Reserve
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern California coastal 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
Oregon Caves National Monument
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Palouse grasslands
Pipestone National Monument
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Queen Charlotte Islands
Redwood National Park
Reserve de la Biosphere de Charlevoix
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Lawrence Islands National Park
Saratoga National Historical Park
Sequoia and Kings Canyon Biosphere Reserve
Sierra Nevada forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Central Rockies forests
Southern Great Lakes forests
Southern Hudson Bay taiga
Southwest Nova Biosphere Reserve
Terra Nova National Park
Upper Midwest forest-savanna transition
Voyageurs National Park
Wapusk National Park
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western Great Lakes forests
Western short grasslands
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho National Park
Yosemite National Park
Yukon Interior dry forests
Zion National Park

Attributes / relations provided by
♦ 1Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
♦ 2Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)