National Audubon Society Field Guide to North American Birds: Western Region
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Virtually every bird found in the western region of North America is covered in this full-color field guide with a full nest of textual information. Authors: Miklos D. F. Udvardy, John Farrand, Jr., with John Farrand and Amanda Wilson Designers. Hardcover, 822 pages. Information on each bird's voice, nesting habits, habitat, range, and interesting behaviors is included. Accompanying range maps; overhead flight silhouettes; sections on bird-watching, accidental species, and endangered birds.