Written and illustrated by David Allen Sibley.

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Comprehensive guide to 810 bird species with over 6,600 detailed illustrations. Its innovative design makes it user friendly. The illustrations facilitate comparison, yet still capture the unique character of each species. Summer and winter ranges, migration routes and varying avian physical characteristics are discussed.

features:

Softcover: 545 pages, many color illustrations.

Publisher: Alfred A Knopf Inc

Language: English

ISBN: 0-679-45122-6

Product Dimensions: 24.5 x 17 x 3.5cm (10.75 x 6.5 x 1.75in.)