Backyard Birds Flash Cards: Eastern & Central North America
Cornell Lab of Ornithology
Backyard Birds Flash Cards: Western North America
Birds of Prey of the West: Field Guide
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
A Birder's Guide to Ocean Shores, Washington
Birds of Southern California: Status and Distribution
Garrett, Kimball and Jon Dunn
Peterson Field Guide to Bird Sounds of Western North America
Birds of the West: An Artist's Guide
Field Guide to Birds of the Desert Southwest
The Birder's Guide to Oregon
Evanich, Joseph E., Jr.