Given the question: Facts: - caption: at the 2014 national book festival - notableworks: the sibley guide to birds - subject: birds - birth date: 1962 - name: david allen sibley - nationality: american - image: david sibley3184.jpg - birth place: plattsburgh , new york - occupation: author , ornithologist , illustrator Based on these bullet points, write a short biography describing the life of david allen sibley .
The answer is:
david allen sibley -lrb- born 1962 , plattsburgh , new york -rrb- 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 .