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.
Contributors: National Wildlife Federation.; National Audubon Society.
Edition: 2nd ed.
Publisher: Mifflin
Published: 1961
Place of publication: Cambridge, Mass
Language: eng
Notes: Sponsored by the National Audubon Society and National Wildlife Federation.