Diet Overlap

Falco mexicanus (Prairie Falcon)
Bubo scandiacus (Snowy Owl)

Common Diet

Urocitellus richardsonii (Richardson's ground squirrel)

Common Habitat

Alberta Mountain forests
Alberta-British Columbia foothills forests
Audubon National Wildlife Refuge
Badlands National Park
Banff National Park
Bighorn Canyon National Recreation Area
California Coast Ranges Biosphere Reserve
Canadian Aspen forests and parklands
Cascade Mountains leeward forests
Central British Columbia Mountain forests
Central Plains Biosphere Reserve
Crater Lake National Park
Deer Flat National Wildlife Refuge
Dinosaur National Monument
Elk Island National Park
Fraser Plateau and Basin complex
Grasslands National Park
Knife River Indian Villages National Hist. Site
Montana Valley and Foothill grasslands
North Central Rockies forests
Northern mixed grasslands
Northern short grasslands
Okanagan dry forests
Olympic Biosphere Reserve
Palouse grasslands
Point Reyes National Seashore
Redwood National Park
Salt Plains National Wildlife Refuge
Shortgrass Steppe LTER Site

Attributes / relations provided by
♦ 1FOOD 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)
♦ 2Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)