The Audubon Society field guide to North American birds.
Subtitle: Western region
By: M.D.F. Udvardy ; visual key developed by Susan Rayfield.
Contributors: Rayfield, Susan.
Publisher: Knopf; Distributed by Random House
Published: 1985
Place of publication: New York
Language: eng
Number of pages: 852
Subjects: Birds -- North America -- Identification; Birds -- West (U.S.) -- Identification
Genres: Identification.
Other titles: National Audubon Society field guide to North American birds, western region.; Field guide to North American birds, western region.
Notes: "A Chanticleer Press edition."

"Companion volume: The Audubon Society field guide to North American birds: eastern region"--T.p. verso.

Includes index.