Diet Overlap

Urocitellus columbianus (Columbian ground squirrel)
Microtus townsendii (Townsend's vole)

Common Diet

Medicago sativa (yellow alfalfa)

Common Habitat

Cascade Mountains leeward forests
North America

Attributes / relations provided by
1Individual variation in the ability of Columbian ground squirrels to select an optimal diet, MARK E. RITCHIE, Evolutionary Ecology, 1988, 2, 232-252
2Microtus townsendii, John E. Cornely and B. J. Verts, MAMMALIAN SPECIES No. 325, pp. 1-9 (1988)