PDFArxivat 2012-08-29 a Wayback Machine. R. Terry Chesser, Richard C. Banks, F. Keith Barker, Carla Cicero, Jon l. Dunn, Andrew W. Kratter, Irby J. Lovette, Pamela C. Rasmussen, J. V. Remsen, James D. Rising, Douglas F. Stotz i Kevin Winker. 2012. Fifty-third supplement to the American Ornithologists' Union Check-list of North American birds. The Auk 129 :573−588. (anglès)
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PDFArxivat 2012-08-29 a Wayback Machine. R. Terry Chesser, Richard C. Banks, F. Keith Barker, Carla Cicero, Jon l. Dunn, Andrew W. Kratter, Irby J. Lovette, Pamela C. Rasmussen, J. V. Remsen, James D. Rising, Douglas F. Stotz i Kevin Winker. 2012. Fifty-third supplement to the American Ornithologists' Union Check-list of North American birds. The Auk 129 :573−588. (anglès)
