Diet Overlap

Falco mexicanus (Prairie Falcon)
Mustela frenata (Long-tailed Weasel)

Common Diet

Urocitellus brunneus (Idaho ground squirrel)
Urocitellus richardsonii (Richardson's ground squirrel)
Urocitellus townsendii (Townsend's ground squirrel)

Common Habitat

Agate Fossil Beds National Monument
Alberta Mountain forests
Alberta-British Columbia foothills forests
Anza-Borrego Desert State Park, CA
Arizona Mountains forests
Audubon National Wildlife Refuge
Badlands National Park
Bandelier National Monument
Banff National Park
Beaver Creek Biosphere Reserve
Big Bend Biosphere Reserve
Bighorn Canyon National Recreation Area
Black Canyon of the Gunnison National Park
Blue Mountains forests
Bryce Canyon 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
Canyonlands National Park
Capital Reef National Park
Carlsbad Caverns National Park
Carrizo Plain Preserve
Cascade Mountains leeward forests
Cedar Breaks National Monument
Central and Southern Cascades forests
Central British Columbia Mountain forests
Central Mexican matorral
Central Plains Biosphere Reserve
Chihuahuan desert
Chiricahua National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Craters of the Moon National Monument
Deer Flat National Wildlife Refuge
Devils Tower National Monument
Dinosaur National Monument
Eastern Cascades forests
El Morro National Monument
Elk Island National Park
Elkhorn Slough Preserve
Fraser Plateau and Basin complex
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
Guadalupe Mountains National Park
Hamilton Preserve
Klamath-Siskiyou forests
Knife River Indian Villages National Hist. Site
Lake Meredith National Recreation Area
Lake Roosevelt National Recreation Area
Lassen Volcanic National Park
Lava Beds National Monument
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Meseta Central matorral
Middle America
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Mount Rainier National Park
Mount Tamalpais State Park
Natural Bridges National Monument
North America
North Central Rockies forests
Northern mixed grasslands
Northern short grasslands
Okanagan dry forests
Olympic Biosphere Reserve
Paine Preserve
Palouse grasslands
Philip L. Boyd Deep Canyon Desert Research Center
Pinnacles National Monument
Point Reyes National Seashore
Redwood National Park
Reserva de Mapimi
Rocky Mountain Biosphere Reserve
San Dimas Biosphere Reserve
San Joaquin Biosphere Reserve
Santa Monica Mountains National Recreation Area
Scotts Bluff National Monument
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Shortgrass Steppe LTER Site
Sierra Juarez and San Pedro Martir pine-oak forests
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
Walnut Canyon National Monument
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western short grasslands
White Sands National Monument
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
♦ 1Spermophilus brunneus, Eric Yensen and Paul W. Sherman, MAMMALIAN SPECIES No. 560, pp. 1-5 (1997)
♦ 2FOOD HABITS AND NEST CHARACTERISTICS OF BREEDING RAPTORS IN SOUTHWESTERN WYOMING, Patricia A. MacLaren, Stanley H. Anderson, and Douglas E. Runde, Great Basin Naturalist Vol. 48, No. 4 pp. 548-553 (1988)
♦ 3Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)
♦ 4Spermophilus townsendii, Eric A. Rickart, MAMMALIAN SPECIES No. 268, pp. 1-6 (1987)