Birding in the American West: A Handbook [PB]
Zimmer, Kevin J.
Bird Songs of the Pacific States (CASS) [Cassette]
Sander, Thomas G.
Bird Songs of Southeastern Arizona & Sonora, Mexico (CD)
Keller, Geoffrey E.
National Geographic Field Guide to the Birds of Western North America
DUNN, Jon L.; ALDERFER, Jonathan
Bird Songs of the Pacific Northwest (CD)
KELLER, Geoffrey A.; VYN, Gerrit
Birds of Western North America: A Photographic Guide
STERRY, Paul; SMALL, Brian E.
Peterson Field Guide to Birds of Western North America, Fourth Edition
Peterson, Roger Tory; Peterson, Virginia Marie
Illustrations by Peterson, Roger Tory
Better Birdwatching in the West [DVD] Field Guide
LaFleur, Joseph A.
American Museum of Natural History Birds of North America: Western Region
VUILLEUMIER, Francois; editor
Raptors of the West Captured in Photographs
Stokes Beginner's Guide to Birds: Western Region
STOKES, Donald & Lillian
Dragonflies and Damselflies of the West