MAMMALS:

Wildlife of the Pacific Northwest, Tracking and Identifying Mammals, Birds, Reptiles, Amphibians, and Invertebrates. By David Moskowitz, Timber Press Field Guide. (DM)

Mammal Tracks and Sign, A Guide to North American Species. By Mark Elbroch. Stackpole Books.(ME1)

Animal Tracks and Scat of California: by Mark Elbroch, Michael Kresky, and Jonah Evans.(ME,JE,MK)

Peterson Field Guides, Animal Tracks. By Olaus J. Murie/ Mark Elbroch. Third edition, 2005.(OM,ME)

Practical Tracking, A Guide to Following foot Prints & Finding Animals. By Louis Liebenberg, Adriaan Louw & Mark Elbroch. Stackpole Books.(LL,AL,ME)

The Art of Tracking, the Origin of Science: Louis Liebenberg, David Philip Publishers, ©1990. (LL)

Tracking & the Art of Seeing: Paul Rezendes, Camden House Publishing, ©1992. (PR)

Behavior of North American Mammals. By Mark Elbroch and Kurt Rinehart. Peterson Field Guides. (ME,KR)

Mammals of the Pacific Northwest. By Chris Maser (CM)

Peterson Field Guides, Mammals By William H. Burt/ Richard P. Gossenheider. Houghton Mifflin Company, third edition, ©1980. (WB,RG)

SKULLS AND BONES:

Animal Skulls, A Guide to North American Species. By Mark Elbroch. Stackpole Books.(ME3)

BIRDS:

Bird Tracks and Sign, A Guide to North American Species. By Mark Elbroch with Eleanor Marks. Stackpole Books. (ME2)

Bird Feathers, A Guide to North American Species. By S. David Scott and Casey McFarland. (DS,CM)

INSECTS:

Track & Sign of Insects and other Envertebrates. A Guide to North American Species. By Charley Eiseman and Noah Charney.(CE,NC)

GENERAL/ NATURAL HISTORY:

A Neotropical Companion: John Kricher, Princeton University Press, ©1997.

Elk, Behavior, Ecology, Conservation: Erwin and Peggy Bauer, Voyageur Press, ©1995.

Lonsome for Bears: Linda Hunter, The Lyons Press, ©2008. (LH)