Diet Overlap

Mustela erminea (Ermine)
Pituophis catenifer (Gopher Snake)

Common Diet

Microtus californicus (California vole)
Microtus montanus (montane vole)

Common Habitat

Blue Mountains forests
California Central Valley grasslands
California Floristic Province
California interior chaparral and woodlands
Central and Southern Cascades forests
Central Pacific coastal forests
Central tall grasslands
Colorado Plateau shrublands
Eastern Cascades forests
Great Basin montane forests
Great Basin shrub steppe
Klamath-Siskiyou forests
Montana Valley and Foothill grasslands
North Central Rockies forests
Northern California coastal forests
Northern mixed grasslands
Northern short grasslands
Okanagan dry forests
Palouse grasslands
Sierra Nevada forests
Snake-Columbia shrub steppe
South Central Rockies forests
Upper Midwest forest-savanna transition
Wasatch and Uinta montane forests
Western short grasslands
Willamette Valley forests
Wyoming Basin shrub steppe

Attributes / relations provided by
♦ 1Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
♦ 2Feeding ecology of North American gopher snakes (Pituophis catenifer, Colubridae), JAVIER A. RODRÍGUEZ-ROBLES, Biological Journal of the Linnean Society, 2002, 77, 165–183
♦ 3Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)