Diet Overlap

Buteo regalis (Ferruginous Hawk)
Pica pica (Eurasian Magpie)

Common Diet

Urocitellus richardsonii (Richardson's ground squirrel)

Common Habitat

Banff National Park
California coastal sage and chaparral
California Floristic Province
Elk Island National Park
Grasslands National Park
Niagara Escarpment Biosphere Reserve
North America
Waterton Biosphere Reserve

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)