The Birds of California. A Complete, Scientific and Popular Account of the 580 Species & Subspecies
DAWSON, William Leon
The Western Bird Watcher: An Introduction to Birding in the American West
Zimmer, Kevin J.
Birds of Prey in the American West
Glinski, Richard L.
Illustrations by Vezo, Tom
Peterson Field Guide to Bird Sounds of Western North America
Birds of the West: An Artist's Guide
The Birder's Guide to Oregon
Evanich, Joseph E., Jr.
Birds of Prey of the West: A Field Guide
Wheeler, Brian K., Text and Illustrations
A Field Guide to Western Birds, Third Edition
Peterson, Roger Tory
Illustrations by Peterson, Roger Tory
Birds of the Great Plains: Breeding Species and Their Distribution
Johnsgard, Paul A.
A Guide to Bird Finding West of the Mississippi, Second Edition
Pettingill, Olin Sewall Jr.
Birds of Montana: Field Guide
The Backyard Birdsong Guide: Western North America Audio Field Guide