Attributes / relations provided by
♦ 1Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 17 (2001)
♦ 2Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
♦ 3Raptor Predation on Wintering Shorebirds, G. Page and D. F. Whitacre, The Condor, Vol. 77, No. 1 (Spring, 1975), pp. 73-83
♦ 4Study of Northern Virginia Ecology♦ 5BREEDING SEASON DIET OF SHORT-EARED OWLS IN MASSACHUSETTS, DENVER W. HOLT, Wilson Bull., 105(3), 1993, pp. 490-496