R. Terry Chesser,^1,* Richard C. Banks,² Kevin J. Burns,³ Carla Cicero,⁴ Jon L. Dunn,⁵ Andrew W. Kratter,⁶ Irby J. Lovette,⁷ Adolfo G. Navarro-Sigüenza,⁸ Pamela C. Rasmussen,⁹ J. V. Remsen,¹⁰ James D. Rising,¹¹ Douglas F. Stotz,¹² Kevin Winker<sup>13

1</sup> 1U.S. Geological Survey, Patuxent Wildlife Research Center, National Museum of Natural History, Was
² 23201 Circle Hill Road, Alexandria, Virginia, USA
³ 3Department of Biology, San Diego State University, San Diego, California, USA
⁴ 4Museum of Vertebrate Zoology, University of California, Berkeley, California, USA
⁵ 524 Idaho Street, Bishop, California, USA
⁶ 6Florida Museum of Natural History, University of Florida, Gainesville, Florida, USA
⁷ 7Cornell Laboratory of Ornithology, Ithaca, New York, USA
⁸ 8Museo de Zoología, Facultad de Ciencias, Universidad Nacional Autónoma de México, México D.F., Mex
⁹ 9Michigan State University Museum and Department of Integrative Biology, East Lansing, Michigan, US
¹⁰10Museum of Natural Science, Louisiana State University, Baton Rouge, Louisiana, USA
¹¹11Department of Ecology and Evolutionary Biology, Ramsay Wright Labs, University of Toronto, Toronto
¹²12Science and Education, Field Museum of Natural History, Chicago, Illinois, USA
¹³13University of Alaska Museum, Fairbanks, Alaska, USA

^*Corresponding author: chessert@si.edu; Chairman of the Committee on Classification and Nomenclature—North and Middle America, of the American Ornithologists' Union. All authors are members of the Committee and are listed alphabetically after the Chairman.