David Allen Sibley
| David Allen Sibley | |
|---|---|
| Sibley at the 2014 National Book Festival | |
| Born | October 22, 1961 (age 63) Plattsburgh, New York | 
| Occupation | 
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| Nationality | American | 
| Subject | Birds | 
| Notable works | The Sibley Guide to Birds | 
| Website | |
| www | |
David Allen Sibley (born October 22, 1961, in Plattsburgh, New York) is an American ornithologist. He is the author and illustrator of The Sibley Guide to Birds, which rivals Roger Tory Peterson's as the most comprehensive guides for North American ornithological field identification.
Sibley has also authored a follow-up book, The Sibley Guide to Bird Life & Behavior.