Attributes / relations provided by
♦ 1FOOD HABITS AND NEST CHARACTERISTICS OF BREEDING RAPTORS IN SOUTHWESTERN WYOMING, Patricia A. MacLaren, Stanley H. Anderson, and Douglas E. Runde, Great Basin Naturalist Vol. 48, No. 4 pp. 548-553 (1988)
♦ 2Sciurus griseus, Leslie N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 474, pp. 1-7 (1994)
♦ 3Sylvilagus audubonii, Joseph A. Chapman and Gale R. Willner, MAMMALIAN SPECIES No. 106, pp. 1-4 (1978)
♦ 4Sylvilagus nuttallii, Joseph A. Chapman, MAMMALIAN SPECIES No. 56, pp. 1-3 (1975)
♦ 5Spermophilus columbianus, Charles L. Elliott and Jerran T. Flinders, MAMMALIAN SPECIES No. 372, pp. 1-9 (1991)