Diet Overlap

Urocitellus richardsonii (Richardson's ground squirrel)
Microtus montanus (montane vole)

Common Diet

Agropyron cristatum (crested wheat grass)

Common Habitat

Montana Valley and Foothill grasslands
North America
North Central Rockies forests
South Central Rockies forests

Attributes / relations provided by
♦ 1Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)
♦ 2Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)