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Twenty-seventh supplement to the American Ornithologists' Union Check-list of North American birds

Twenty-seventh supplement to the American Ornithologists' Union Check-list of North American birdsv. 69American Ornithologists’ Union308–312
Wetmore, Alexander and Friedmann, Herbert. 1952. "Twenty-seventh supplement to the American Ornithologists' Union Check-list of North American birds." The Auk, 69 308–312.
ID: 121899
Type: article
Keywords: USNM; NMNH