Attributes / relations provided by
♦ 1Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
♦ 2Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 110 (2003)
♦ 3Clethrionomys californicus, Lois F. Alexander and B. J. Verts, MAMMALIAN SPECIES No. 406, pp. 1-6 (1992)
♦ 4Making The Forest And Tundra Wildlife Connection♦ 5Exploring the Denali Food Web, ParkWise, National Park Service
♦ 6Spermophilus franklinii, Andrea C. Ostroff and Elmer J. Finck, MAMMALIAN SPECIES No. 724, pp. 15 (2003)