Sixty-third supplement to the American Ornithological Society's Check-list of North American Birds

1 U.S. Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, USA 2 National Museum of Natural History, Smithsonian Institution, Washington, D.C., USA 3 Cornell Laboratory of Ornithology, Ithaca, New York, USA 4 Department of Biology, San Diego State University, San Diego, California, USA 5 Museum of Vertebrate Zoology, University of California, Berkeley, California, USA 6 24 Idaho Street, Bishop, California, USA 7 Departamento de Biología Evolutiva, Facultad de Ciencias, Museo de Zoología, Universidad Nacional Autónoma de México, Ciudad de México, México 8 Escuela de Biología, Universidad de San Carlos de Guatemala, Ciudad de Guatemala, Guatemala 9 Florida Museum of Natural History, University of Florida, Gainesville, Florida, USA 10 Museum of Natural Science and Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, USA 11 Michigan State University Museum and Department of Integrative Biology, East Lansing, Michigan, USA 12 Science & Education, Field Museum of Natural History, Chicago, Illinois, USA 13 University of Alaska Museum, Fairbanks, Alaska, USA 14 Authors are members of the Committee on Classification and Nomenclature—North and Middle America, of the American Ornithological Society (formerly American Ornithologists’ Union), listed alphabetically after the Chairman. *Corresponding author: chessert@si.edu