Attributes / relations provided by
♦ 1DIET OF NORTHERN SAW-WHET OWLS IN SOUTHERN WISCONSIN, SCOTT R. SWENGEL AND ANN B. SWENGEL, The Condor 94:707-711 (1992)
♦ 2Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 3Sorex cinereus, John O. Whitaker, Jr., MAMMALIAN SPECIES No. 743, pp. 19 (2004)