Diet Overlap

Urocitellus columbianus (Columbian ground squirrel)
Ammospermophilus nelsoni (Nelson's antelope squirrel)

Common Diet

Erodium cicutarium (redstem)

Common Habitat

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
2Ammospermophilus nelsoni, Troy L. Best, Amy S. Titus, Cynthia L. Lewis, and Katharine Caesar, MAMMALIAN SPECIES No. 367, pp. 1-7 (1990)