Attributes / relations provided by
♦ 1Comparative Diets of Burrowing Owls in Oregon and Washington, Gregory A. Green, Richard E. Fitzner, Robert G. Anthony and Lee E. Rogers, Northwest Science, Vol. 67, No. 2, 1993, pp. 88-93
♦ 2Dipodomys ordii, Tom E. Garrison and Troy L. Best, MAMMALIAN SPECIES No. 353, pp. 1-10 (1990)
♦ 3Geomys bursarius (Rodentia: Geomyidae), MATTHEW B. CONNIOR, MAMMALIAN SPECIES 43(879):104–117 (2011)
♦ 4Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 110 (2003)
♦ 5SPECIES ASSESSMENT FOR GREAT BASIN SPADEFOOT TOAD (SPEA INTERMONTANA) IN WYOMING, REBECCA S. BUSECK, DOUGLAS A. KEINATH AND MICHELE GERAUD, United States Department of the Interior, Bureau of Land Management, January 2005
♦ 6Sylvilagus nuttallii, Joseph A. Chapman, MAMMALIAN SPECIES No. 56, pp. 1-3 (1975)