Fifty-ninth Supplement to the American Ornithological Society's Check-list of North American Birds. (27th June 2018) - Chesser, R. Terry; Burns, Kevin J.; Cicero, Carla; Dunn, Jon L.; Kratter, Andrew W.; Lovette, Irby J.; Rasmussen, Pamela C.; Remsen, J. V.; Stotz, Douglas F.; Winger, Benjamin M.; Winker, Kevin