David Allen Sibley
David Allen Sibley is a world-renowned bird artist, ornithologist and author. He is the author and illustrator of The Sibley Guide to Birds, considered by many to be the most comprehensive guide for the identification of birds in North America.
David Allen Sibley
David Allen Sibley is a world-renowned bird artist, ornithologist and author. He is the author and illustrator of The Sibley Guide to Birds, considered by many to be the most comprehensive guide for the identification of birds in North America.
