A field guide to western birds
Subtitle: field marks of all species found in North America west of the 100th meridian, with a section on the birds of the Hawaiian Islands
By: text and illustrations by Roger Tory Peterson
Edition: 2nd ed., rev. and enl.
Series: Peterson field guide series -- 2.
Publisher: Houghton Mifflin
Published: 1961
Place of publication: Boston
Language: eng
Number of pages: 309
Subjects: Birds -- West (U.S.)
Notes: "Sponsored by the National Audubon Society and National Wildlife Federation."

Each plate preceeded by descriptive text.

Includes bibliographical references (p. xviii-xx) and index.