The Audubon Society field guide to North American birds.
By: M. D. F. Udvardy ; visual key developed by Susan Rayfield.
Publisher: Knopf : distributed by Random House
Published: 1977
Place of publication: New York
Language: eng
Number of pages: 855
Subjects: Birds -- North America -- Identification.; Birds -- West (U.S.) -- Identification.
Notes: "A Chanticleer Press edition."
Includes index.