Although not known to occur in Mount Rainier National Park prior to the date of this publication, the following mammals may be recorded:

Alaska Brown Bat, Myotis lucifugus alascensis Miller

Longeared Bat, Myotis evotis pacificus Dalquest

Northwest Coast Bat, Myotis californicus caurinus Miller

Big Brown Bat, Eptesicus fuscus bernardinus Rhoads

Puget Sound Weasel, Mustela ermina streatori (Merriam)

Townsend Chipmunk, Tamias townsendii townsendii Bachman

Yellow Pine Chipmunk, Tamias amoenus affinis Allen

Oregon Flying Squirrel, Glaucomys sabrinus oregonensis (Bachman)

The occurrence of the following mammals was listed by Taylor and Shaw, Mammals and Birds of Mount Rainier National Park, 1927, as follows:

Muskrat, Ondatra zibethicus osoyoosensis (Lord). “In lower portions of the park; apparently now trapped out within its boundaries.”

Norway Rat, Rattus norvegicus norvegicus (Erxleben). “Here included on the authority of J. B. Flett, who has observed it at Longmire.”

House Mouse, Mus musculus Linnaeus subsp? “At Longmire; at present scarce, perhaps extirpated.”

It is believed that the three species above are not now found within the park.