R Red fox, [87] Red squirrels. See [Spruce squirrel]. River otter, [101] Rodents, [21] Sciurus aberti, [31] arizonensis, [36] kaibabensis, [34]
S [Short-tailed weasel], [105] Shrew, vagrant, [119] Skunk, spotted, [108] striped, [110] Snowshoe hare, [22] Sonora fantail deer, [11], [14] Sorex vagrans, [119] Spilogale gracilis, [108] [Spruce squirrel], [39] Squirrel, Abert’s. See [Tassel-eared squirrel]. Arizona gray, [36] chickaree. See [Spruce squirrel]. Douglas. See [Spruce squirrel]. golden-mantled ground, [48] Kaibab, [34] flying, northern, [42] pine, [39] red. See [Spruce squirrel]. spruce, [39] tassel-eared, [31] Sylvilagus nuttalli, [26]
T Tamiasciurus hudsonicus, [39] [Tassel-eared squirrel], [31] Thomomys talpoides, [75] Trade rat. See [Bushy-tailed woodrat]. Transition Life Zone, [xiii]
U Uinta chipmunk, [44] Upper Sonoran Life Zone, [xiii] Ursus horribilis, [117]
V Vagrant shrew, [119] Vole, mountain, [58] Vulpes fulva, [87]
W Wapiti. See [Elk]. Weasel, least, [106] long-tailed, [106] short-tailed, [105] Western jumping mouse, [59] White-footed mouse, [57] White-tailed deer, [13] White-tailed jackrabbit, [24] White-tailed prairie dog, [51] Wolf, gray, [89] Wolverine, [95] Woodchuck. See [Yellow-bellied marmot]. Woodrat, bushy-tailed, [60]
Y [Yellow-bellied marmot], [53]
Z Zapus princeps, [59]
