↑American Ornithologists' Union (1998) , Check-list of North American Birds, 7th Edition
↑American Ornithologists' Union (1957) , Check-list of North American Birds, 5th Edition
↑American Ornithologists' Union (1976) Thirty-third Supplement to the American Ornithologists' Union Check-list of North American Birds, The Auk, vol. 93, no. 4
↑Gill, Frank, and Minturn Wright (2006) , Birds of the World: Recommended English Names
↑Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes (2003) , Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
↑Banks, R. C., R. W. McDiarmid, and A. L. Gardner (1987) Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, Resource Publication, no. 166
