A field guide to western birds : a completely new guide to field marks of all species found in North America west of the 100th meridian and north of Mexico /

Bibliographic Details
Main Author:	Peterson, Roger Tory, 1908-1996
Corporate Authors:	National Audubon Society, National Wildlife Federation, Roger Tory Peterson Institute
Other Authors:	Peterson, Virginia Marie, 1925-
Format:	Book
Language:	English
Published:	Boston : Houghton Mifflin, 1990.
Edition:	3rd ed., completely rev. and enl.
Series:	Peterson field guide series ; 2.
Subjects:	Birds > West (U.S.) > Identification. Birds > Canada, Western > Identification.

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