Diet Overlap

Urocitellus richardsonii (Richardson's ground squirrel)
Reithrodontomys megalotis (western harvest mouse)

Common Diet

Agropyron cristatum (crested wheat grass)

Common Habitat

Central tall grasslands
Montana Valley and Foothill grasslands
North America
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
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)
♦ 2Food Habits of Rodents Inhabiting Arid and Semi-arid Ecosystems of Central New Mexico, ANDREW G. HOPE AND ROBERT R. PARMENTER, Special Publication of the Museum of Southwestern Biology, NUMBER 9, pp. 1–75 (2007)