National Audubon Society Birds of North America: A Guide Review
10,000 Birds
JUNE 1, 2021
If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. The photographs are from VIREO, the ornithological image collection associated with the Academy of Natural Sciences of Drexel University, which licenses bird photographs to many guides and reference books.
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