Diet Overlap

Circus cyaneus (Northern Harrier)
Mustela frenata (Long-tailed Weasel)

Common Diet

Microtus californicus (California vole)
Microtus montanus (montane vole)
Urocitellus brunneus (Idaho ground squirrel)
Urocitellus richardsonii (Richardson's ground squirrel)

Common Habitat

Acadia National Park
Agate Fossil Beds National Monument
Alberta Mountain forests
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Allegheny Highlands forests
Antietam National Battlefield
Anza-Borrego Desert State Park, CA
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arizona Mountains forests
Atlantic coastal pine barrens
Audubon National Wildlife Refuge
Badlands National Park
Bajío dry forests
Balsas dry forests
Bandelier National Monument
Banff National Park
Beaver Creek Biosphere Reserve
Belizean pine forests
Big Bend Biosphere Reserve
Big Cypress National Preserve
Big Thicket 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
Bryce Canyon National Park
Buffalo National River
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
Canyonlands National Park
Cape Cod National Seashore
Cape Romain National Wildlife Refuge
Capital Reef National Park
Carlsbad Caverns National Park
Carolinian-South Atlantic Biosphere Reserve
Carrizo Plain Preserve
Cascade Mountains leeward forests
Catoctin Mountain Park
Cedar Breaks National Monument
Cedar Creek LTER Site
Central American Atlantic moist forests
Central American dry forests
Central American montane forests
Central American pine-oak forests
Central and Southern Cascades forests
Central and Southern mixed grasslands
Central British Columbia Mountain forests
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Mexican matorral
Central Pacific coastal forests
Central Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chiapas Depression dry forests
Chiapas montane forests
Chickasaw National Recreation Area
Chihuahuan desert
Chimalapas montane forests
Chippewa Nature Center
Chiricahua National Monument
Chocó-Darién moist forests
Colorado Plateau shrublands
Colorado Rockies forests
Congaree Swamp National Park
Cordillera Volcanica Central
Costa Rican seasonal moist forests
Coweeta Hydrologic Laboratory LTER Site
Craters of the Moon National Monument
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Deer Flat National Wildlife Refuge
Devils Tower National Monument
Dinosaur National Monument
East Central Texas forests
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
El Morro National Monument
Elk Island National Park
Elkhorn Slough Preserve
Everglades
Fairfield Osborn Preserve
Fathom Five National Marine Park
Fire Island National Seashore
Flint Hills tall grasslands
Florida sand pine scrub
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
Grand Teton National Park
Grasslands National Park
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Guadalupe Mountains National Park
Gulf of St. Lawrence lowland forests
Horseshoe Bend National Military Park
Isthmian-Atlantic moist forests
Isthmian-Pacific moist forests
Jalisco dry forests
Jasper National Park
Klamath-Siskiyou forests
Knife River Indian Villages National Hist. Site
La Mauricie National Park
La Selva Biological Station
Lacassine National Wildlife Refuge
Lake Chelan National Recreation Area
Lake Meredith National Recreation Area
Lake Roosevelt National Recreation Area
Land Between the Lakes Biosphere Reserve
Lassen Volcanic National Park
Lava Beds National Monument
Little River National Wildlife Refuge
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Magdalena-Urabá moist forests
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Maracaibo dry forests
Meseta Central matorral
Mesoamerica
Middle Atlantic coastal forests
Miskito pine forests
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Morristown National Historical Park
Motagua Valley thornscrub
Mount Rainier National Park
Mount Revelstoke National Park
Mount Tamalpais State Park
Natural Bridges National Monument
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
New Jersey Pinelands Biosphere Reserve
Niagara Escarpment Biosphere Reserve
Nipomo Dunes Preserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern California coastal forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Oaxacan montane forests
Ocmulgee National Monument
Okanagan dry forests
Okefenokee National Wildlife Refuge
Olympic Biosphere Reserve
Ozark Mountain forests
Paine Preserve
Palo Verde National Park
Palouse grasslands
Pantanos de Centla
Pecos National Historical Park
Petén-Veracruz moist forests
Philip L. Boyd Deep Canyon Desert Research Center
Piney Woods forests
Pinnacles National Monument
Pixley Vernal Pools Preserve
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 de Sian Ka'an
Reserva de la Biosfera Sierra Gorda
Reserva de Mapimi
Reserve de la Biosphere de Charlevoix
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Lawrence Islands National Park
San Dimas Biosphere Reserve
San Joaquin Biosphere Reserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Saratoga National Historical Park
Scotts Bluff National Monument
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Shortgrass Steppe LTER Site
Sierra de los Tuxtlas
Sierra Juarez and San Pedro Martir pine-oak forests
Sierra Madre de Chiapas moist forest
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre del Sur pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sierra Nevada forests
Sinaloan dry forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
Sonoran-Sinaloan transition subtropical dry forest
South Atlantic Coastal Plain Biosphere Reserve
South Central Rockies forests
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Pacific dry forests
Sunset Crater Volcano National Monument
Tamaulipan matorral
Tamaulipan mezquital
Tehuacán Valley matorral
Tennessee River Gorge
Texas blackland prairies
Trans-Mexican Volcanic Belt pine-oak forests
Tumbes-Choco-Magdalena
Upper Midwest forest-savanna transition
Veracruz dry forests
Veracruz moist forests
Veracruz montane forests
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Western short grasslands
Wheeler National Wildlife Refuge
White Sands National Monument
Willamette Valley forests
Wind Cave National Park
Wood Buffalo National Park
Wupatki National Monument
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho National Park
Yosemite National Park
Yucatán dry forests
Yucatán moist 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)
♦ 3Spermophilus brunneus, Eric Yensen and Paul W. Sherman, MAMMALIAN SPECIES No. 560, pp. 1-5 (1997)
♦ 4Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)