Diet Overlap

Aegolius acadicus (Northern Saw-whet Owl)
Mustela frenata (Long-tailed Weasel)

Common Diet

Microtus montanus (montane vole)
Myodes californicus (western red-backed vole)
Sorex cinereus (masked shrew)

Common Habitat

Acadia National Park
Alberta Mountain forests
Alberta-British Columbia foothills forests
Allegheny Highlands forests
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arizona Mountains forests
Atlantic coastal pine barrens
Bandelier National Monument
Banff National Park
Big Bend Biosphere Reserve
Bighorn Canyon National Recreation Area
Black Canyon of the Gunnison National Park
Blue Mountains forests
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Central Valley grasslands
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Canadian Aspen forests and parklands
Cape Cod National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Cascade Mountains leeward forests
Cedar Breaks National Monument
Cedar Creek LTER Site
Central and Southern Cascades forests
Central and Southern mixed grasslands
Central British Columbia Mountain forests
Central forest-grasslands transition
Central Pacific coastal forests
Central Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chihuahuan desert
Chiricahua National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Coram Biosphere Reserve
Craters of the Moon National Monument
Cuyahoga Valley National Park
Deer Flat National Wildlife Refuge
East Central Texas forests
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
Elk Island National Park
Fathom Five National Marine Park
Flint Hills tall grasslands
Fraser Biosphere Reserve
Fraser Plateau and Basin complex
George Washington Memorial Parkway
Georgian Bay Islands National Park
Gettysburg National Military Park
Glacier National Park
Grand Canyon National Park
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Great Smoky Mountains National Park
Guadalupe Mountains National Park
Gulf of St. Lawrence lowland forests
H.J. Andrews Biosphere Reserve
Heath and Marjorie Angelo Coast Range Preserve
Hubbard Brook Biosphere Reserve
Jasper National Park
Klamath-Siskiyou forests
La Mauricie National Park
Lassen Volcanic National Park
Lava Beds National Monument
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Middle Atlantic coastal forests
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Morristown National Historical Park
Mount Rainier National Park
Mount Revelstoke National Park
Mount Tamalpais State Park
Muir Woods National Monument
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
New Jersey Pinelands Biosphere Reserve
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern California coastal forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Okanagan dry forests
Olympic Biosphere Reserve
Oregon Caves National Monument
Ozark Mountain forests
Palouse grasslands
Pinnacles National Monument
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Puget lowland forests
Pukaskwa National Park
Redwood National Park
Reserva de la Biosfera Sierra Gorda
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Lawrence Islands National Park
San Dimas Biosphere Reserve
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Shortgrass Steppe LTER Site
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sierra Nevada forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Atlantic Coastal Plain Biosphere Reserve
South Central Rockies forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Sunset Crater Volcano National Monument
Tamaulipan mezquital
Texas blackland prairies
Trans-Mexican Volcanic Belt pine-oak forests
Upper Midwest forest-savanna transition
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western Great Lakes forests
Western short grasslands
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Wind Cave National Park
Wupatki National Monument
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yosemite National Park
Zion National Park

Attributes / relations provided by
♦ 1DIETS OF NORTHERN PYGMY-OWLS AND NORTHERN SAW-WHET OWLS IN WEST-CENTRAL MONTANA, DENVER W. HOLT AND LESLIE A. LEROUX, Wilson Bull., 108(1), 1996, pp. 123-128
♦ 2Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)
♦ 3Clethrionomys californicus, Lois F. Alexander and B. J. Verts, MAMMALIAN SPECIES No. 406, pp. 1-6 (1992)
♦ 4DIET OF NORTHERN SAW-WHET OWLS IN SOUTHERN WISCONSIN, SCOTT R. SWENGEL AND ANN B. SWENGEL, The Condor 94:707-711 (1992)
♦ 5Sorex cinereus, John O. Whitaker, Jr., MAMMALIAN SPECIES No. 743, pp. 1–9 (2004)