AOU Committee on Classification and Nomenclature (North & Middle America)

Supplements to the AOU Check-list of North American Birds, 7th edition, are published annually in the July issue of The Auk. Each supplement incorporates changes accepted in proposals considered by the committee from mid-year of one year to mid-year of the next.  Prior to 2012, proposals were numbered by the first year of the two years (i.e., proposals numbered 2011 covered the year 2011-2012, proposals numbered 2010 covered the year 2010-2011, etc.).  Beginning with 2012, proposals are numbered by the second year which corresponds to the published supplement (i..e., proposals numbered 2013 cover the year 2012-2013 and are published in the July 2013 issue of The Auk).  Because of this change, no proposals are numbered 2012.

2007-2008 Proposals (49th supplement)

2008-2009 Proposals (50th supplement)

2009-2010 Proposals (51st supplement)

2010-2011 Proposals (52nd supplement)

2011-2012 Proposals (53rd supplement)

2013 Proposals (54th supplement)

2014 Proposals (55th supplement)

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