ABA checklist : birds of continental United States and Canada
1975
American Birding Association, US
Wildlife spectacles
2003
Brooks, Thomas M. |
Fonseca, Gustavo A. B. da |
Goettsch Mittermeier, Cristina |
Hoffmann, Michael |
Konstant, William R. |
Mast, Roderic B. |
Mittermeier, Russell A. |
Robles Gil, Patricio |