A FIELD GUIDE TO WESTERN BIRDS
Guide to Field Marks of All Species Found in North America
west of the 100th meridian
and North of Mexico, third edition
by Roger Tory Peterson
1990, 432 pages, 165 color plates, 441 3-color maps. Describes and illustrates morethan 1,000 birds from all 700 species found west of the Great Plains. Paintings show males, females, adults, juveniles, and unusual plumage. Organized by families and visual characteristics for quick, easy comparison and identification. Most species accounts face color illustrations. Peterson Field Guide uses system based on patternistic drawings with arrows that pinpoint key field marks. Vinyl bound; 4-3/4 x 7-1/2″.
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