Listed below are several references that are useful for identifying amphibians and reptiles. Two references were utilized extensivelyin the preparation of these WebPages, Amphibians and Reptiles of the Pacific Northwest by R.A. Nussbaum, E.D. Brodie Jr., and R.M. Storm and Reptiles of Washington and Oregon by R.M. Storm and W.P. Leonard Coordinating Editors and authors H.A. Brown, R.B. Bury, D.M. Darda, L.V. Diller, C.R. Peterson and R.M. Storm. These texts provide a much deeper coverage than what is synthesized here and it is suggested that you refer to them in addition to your exploration of these webpages.
Baxter, G.T. and M.D. Stone. 1980. Amphibians and Reptiles of Wyoming. Wyoming Game and Fish Department Bull. 16, i-vi + 137 pp.
Behler, J.L. and F.W. King. 1979. The Audobon Society Field Guide to Reptiles and Amphibians. New York: Alfred A. Knopf.
Brown, H.A., R.B. Bury, D.M. Darda, L.V. Diller, C.R. Peterson and R.M. Storm. Coordinating Editors: R.M. Storm and W.H. Leonard. 1995. Reptiles of Washington and Oregon. Seattle Audobon Society. 176 pp.
Johnson, M.L. 1995 (1954). Reptiles of the State of Washington. Northwest Fauna 3:5-79, Society for Northwestern Vertebrate Biology, Olympia, Washington.
Koch,E.D. and C.R. Peterson. 1995. Amphibians and Reptiles of Yellowstone and Grand Teton National Parks. University of Utah Press, Salt Lake City, Utah. 188 pp.
Linder A.D. and E. Fichter. 1977. The Amphibians and Reptiles of Idaho. Idaho State University Press, Pocatello, Idaho 78 pp.
Nussbaum, R.A., E.D. Brodie, Jr., and R.M. Storm. 1993. Amphibians and Reptiles of the Pacific Northwest. The University Press of Idaho, Moscow, Idaho.
Smith, H.M. and E.D. Brodie, Jr. 1982. Reptiles of North America. New York: Golden Press.
Stebbins, R.C. 1985. A Field Guide to Western Reptiles and Amphibians. Houghton Mifflin Co., Boston.