Sibley's Raptors of Eastern North America is a waterproof, laminated folding guide to raptors both common and rare found in eastern North America. . Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist. 27 species of eagles, hawks, falcons, kites, vultures, and harriers both common and exotic found east of the Rockies. Includes captions which capture the gestalt of each species, detailed range maps, both in flight and perched illustrations with call outs, and special in flight illustration panels that show relative sizes. Includes length and wingspan information. Instant access to just what you need to know perfect for backpack, glove compartment, or kitchen table. Indestructible waterproof lamination. Handy fold out format: 6 panels each 4 x 9 in.. Open dimensions: 9 14 x 24 12 in.. Weight: 1.9 oz.