Northern Flying Squirrel: Glaucomys sabrinus
Yellow-bellied Marmot, Yellow-footed Marmot, Rockchuck: Marmota flaviventris
Western Gray Squirrel, California Gray Squirrel: Sciuris griseus
California Ground Squirrel: Spermophilus beecheyi
Golden-mantled Ground Squirrel: Spermophilus lateralis ?
Cascade Golden-mantled Ground Squirrel: Spermophilus saturatus
Yellow-pine Chipmunk: Tamias amoenus ?
Least Chipmunk: Tamias minimus
Townsend's Chipmunk: Tamias townsendii
Douglas's Squirrel: Tamiasciuris douglasii