Birds

By Roger Tory Peterson

The Peterson identification system pinpoints field marks for species recognition and comparison of look-alikes. 4-1/2" x 7-1/4" laminated paperbacks. Eastern Birds identifies live birds in eastern and central North America by their "field marks". Includes color plates and maps. 384 pages.Western Birds covers birds found in North America west of the 100th Meridian and north of Mexico. Includes roadside silhouettes, range maps and checklist. 432 pages.Bird’s Nests–East explores the nest and eggs of 285 bird species in the 26 states east of the Mississippi River. 222 color photos and drawings. Bird Nest’s–West explores the nest and eggs of 520 species of birds found west of the Mississippi River. 256 color photographs.