Diet Overlap

Glaucidium gnoma (Northern Pygmy-Owl)
Aegolius acadicus (Northern Saw-whet Owl)

Common Diet

Microtus montanus (montane vole)
Microtus pennsylvanicus (meadow vole)
Peromyscus maniculatus (deer mouse)
Sorex vagrans (Vagrant Shrew)

Common Habitat

Arizona Mountains forests
Bandelier National Monument
Banff National Park
Big Bend Biosphere Reserve
Blue Mountains forests
Boggs Lake Preserve
British Columbia mainland coastal forests
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
Cascade Mountains leeward forests
Cedar Breaks National Monument
Central and Southern Cascades forests
Central Pacific coastal forests
Chihuahuan desert
Chiricahua National Monument
Clayoquot Sound
Colorado National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Coram Biosphere Reserve
Crater Lake National Park
Death Valley National Park
Eastern Cascades forests
El Malpais National Monument
Fraser Plateau and Basin complex
Glacier National Park
Grand Canyon National Park
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Guadalupe Mountains National Park
H.J. Andrews Biosphere Reserve
Jasper National Park
Klamath-Siskiyou forests
Kootenay National Park
Landels-Hill Big Creek Preserve
Lassen Volcanic National Park
Lava Beds National Monument
Madrean Pine-Oak Woodlands
McCloud River Preserve
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Mount Rainier National Park
Mount Revelstoke National Park
Mount Tamalpais State Park
Navajo National Monument
Nez Perce National Historical Park
North America
North Central Rockies forests
Northern California coastal forests
Northern Pacific coastal forests
Okanagan dry forests
Olympic Biosphere Reserve
Oregon Caves National Monument
Pacific Rim National Park Reserve
Palouse grasslands
Pinnacles National Monument
Point Reyes National Seashore
Puget lowland forests
Queen Charlotte Islands
Redwood National Park
Reserva de la Biosfera Sierra Gorda
Reserva de la Michilia
Rocky Mountain Biosphere Reserve
Saguaro National Park
Samuel P. Taylor State Park
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sierra Nevada forests
Snake-Columbia shrub steppe
South Central Rockies forests
Sunset Crater Volcano National Monument
Tamaulipan mezquital
Trans-Mexican Volcanic Belt pine-oak forests
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
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
♦ 2DIET OF NORTHERN SAW-WHET OWLS IN SOUTHERN WISCONSIN, SCOTT R. SWENGEL AND ANN B. SWENGEL, The Condor 94:707-711 (1992)
♦ 3Sorex vagrans, Scott W. Gillihan and Kerry R. Foresman, MAMMALIAN SPECIES No. 744, pp. 1–5 (2004)