Fifty-seventh supplement to the American Ornithologists' Union Check-list of North American Birds - Chesser, R. Terry; Burns, Kevin J; Cicero, Carla; Dunn, Jon; Kratter, Andrew; Lovette, Irby; Rasmussen, Pamela; Remsen Jr., J.V.; Rising, James; Stotz, Douglas; Winker, Kevin (The Auk, 2016)