Fogden, Susan C. L.; Fogden, Michael; Fogden, Patricia (2005). A Photographic Guide to Birds of Costa Rica. New Holland. ISBN1-84330-960-2.
Howell, Steve N. G.; Webb, Sophie (1995). A Guide to the Birds of Mexico and Northern Central America. Oxford University Press. ISBN0-19-854012-4.
Ridgely, Robert S.; Gwynne Jr., John A. (1989). A Guide to the Birds of Panama with Costa Rica, Nicaragua and Honduras. Princeton University Press. ISBN0-691-02512-6.