National Audubon Society Birds of North America: A Guide Review
10,000 Birds
JUNE 1, 2021
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. Press, 2011, cited as “RTP to Paul Brooks, March 6, 1945, Peterson Institute.” There is nothing wrong with this.
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