LITERATURE CITED 



Anthony, E.L.P. 1988. Age determination in bats. Pages 47-58 in T . H . Kunz , ed . , 

 Ecological and behaviorial methods for the study of bats. 

 Smithsonian Inst. Press, Washington, D.C., 533 pp. 



Arno, S.F. 1979. Forest regions of Montana. USDA Forest Service Research Paper INT-218. 

 Ogden, Utah. 39pp. Christy, R.E., and S.D. West. 1993. Biology of bats in Douglas-fir 

 forests. Gen. Tech. Rep. PNW-GTR-308. Portland, OR. 28pp. 



Fenton, M.B., and G.P. Bell. 1981. Recognition of species of insectivorous bats by their 

 echolocation calls. J. Mamm. 62(2): 233-243. 



Fenton, M.B., H.G, Merriam, and G.L. Holroyd. 1983. Bats of Kootenay, Glacier, and 

 Mount Revelstoke national parks in Canada: identification by echolocation calls, 

 distribution, and biology. Can. J. Zool. 61: 2503-2508. 



Finch, D.M. 1991. Threatened, endangered, and vunerable species of terrestrial vertebrates in 

 the Rocky Mountain Region. GTR RM-215. Fort Collins, CO. 38pp. 



Flath, D. 1984. Vertebrate species of special interest or concern. Montana 

 Department of Fish, Wildlife and Parks. Helena, MT. 76pp. 



Center, D.L. 1993. Animal species of special concern in Montana. Montana Natural Heritage 

 Program. Helena, MT. 11pp. 



Perkins, M.J. 1993. Survey protocol and an interim species conservation strategy for 



Plecotus townsendii in the Blue Mountains of Oregon and 

 Washington. Draft report for the Wallowa-Whitman National 

 Forest. 23pp. 



Perkins, M.J., and C. Levesque. 1987. Distribution, status and habitat 



affinities of Townsend's big-eared bat (Plecotus townsendii) in 

 Oregon . Oregon D^artment of Fish and Wildlife, nongame wildlife program; 



technical report 86-5-01. Portland, OR. 49pp. 



27 



