Item talk:Q153999

Fifty-second supplement to the American Ornithologists' Union Check-list of North American Birds

This is the 11th supplement since publication of the seventh edition of the Check-list of North American Birds (American Ornithologists' Union AOU 1998). It summarizes decisions made between 1 April 2010 and 15 April 2011 by the AOU's Committee on Classification and Nomenclature-North and Middle America. The Committee has continued to operate in the manner outlined in the 42nd Supplement (AOU 2000). There were no changes to committee membership in 2010.