↑ 3.03.1Dickinson, Edward C., ed. (2003) , The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition
↑American Ornithologists' Union (1983) , Check-list of North American Birds, 6th Edition
↑Peters, James L. (1934) , Check-list of Birds of the World, vol. 2
↑del Hoyo, Josep, Andrew Elliott, Jordi Sargatal, eds. (1994) New World Vultures to Guineafowl, Handbook of the Birds of the World, vol. 2
↑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
