The Sibley Guide to Birds is a guide for the identification of birds found in the North American region as defined by the American Birding Association. The region consists of the continent of North America north of Mexico, including the United States, Canada, and all adjacent islands, but excluding Hawaii, Bermuda, and Greenland. The region also includes offshore waters that are either within 200 miles (320 kilometers), or halfway to the nearest ...
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The Sibley Guide to Birds
Publishing
Author
David Allen Sibley
David Allen Sibley (born 1962, Plattsburgh, New York) is an American ornithologist. He is the author and illustrator of The Sibley Guide to Birds, considered by many to be the most comprehensive guide for North American field identification.
The son of Yale University ornithologist Fred Sibley,...