Attributes / relations provided by
♦ 1Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 17 (2001)
♦ 2Raptor Predation on Wintering Shorebirds, G. Page and D. F. Whitacre, The Condor, Vol. 77, No. 1 (Spring, 1975), pp. 73-83
♦ 3Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
♦ 4Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 110 (2003)