Diet Overlap

Urocitellus columbianus (Columbian ground squirrel)
Ovis canadensis (bighorn sheep)

Common Diet

Balsamorhiza sagittata (arrowleaf balsamroot)
Bromus moeszii (military grass)
Pseudoroegneria spicata (Bluebunch wheatgrass)

Common Habitat

Banff National Park
Blue Mountains forests
Jasper National Park
Kootenay National Park
Lake Roosevelt National Recreation Area
Montana Valley and Foothill grasslands
North America
North Central Rockies forests
Okanagan dry forests
Palouse grasslands
Snake-Columbia shrub steppe
South Central Rockies forests
Waterton Biosphere Reserve
Yoho National Park

Attributes / relations provided by
♦ 1Spermophilus columbianus, Charles L. Elliott and Jerran T. Flinders, MAMMALIAN SPECIES No. 372, pp. 1-9 (1991)
♦ 2Bighorn Sheep Diet Selection and Forage Quality in Central Idaho, Guy D. Wagner and James M. Peek, Northwest Science, Vol. 80, No.4, 2006, pp. 246-258
♦ 3Individual variation in the ability of Columbian ground squirrels to select an optimal diet, MARK E. RITCHIE, Evolutionary Ecology, 1988, 2, 232-252