American Ornithologists' Union. 1998.
Check-list of North American birds: 7th edition
American Ornithologists' Union. Allen Press, Lawrence, Kansas. 829 pgs.
(ISBN 1-891276-00-X)

Araya M., Braulio and Guillermo Millie H. 1998.
Guía de campo de las aves de Chile
Editorial Universitaria. Santiago de Chile. 406 pgs.
(ISBN 956-11-1236-1) (Spanish)

Azpiroz, Adrián B. 1997.
Aves del Uruguay: Lista, estatus and distribución
Probides. Rocha, Uruguay. 52 pgs.
(ISBN: 9974-7532-2-8 ) (Spanish)

Clements, James F. 2000.
Birds of the World: A Checklist: Fifth Edition.
Ibis Publishing Company. Vista, California. 867 pgs.
(ISBN: 0-934797-16-1)

De Schauensee, Rodolphe Meyer and William H. Phelps, Jr. 1978.
A guide to the Birds of Venezuela
Princeton University Press. Princeton, New Jersey. 424 pgs.
(ISBN: 0-691-08205-7, LC: QL689.V4D47)

Dickinson, Edward C. (Editor). 2003.
The Howard & Moore Complete Checklist of the Birds of the World. Third Edition.
Princeton University Press, Princeton, New Jersey. 1039 pgs. (ISBN: 0-691-11701-2)

González, José A. 1999.
Effects of Harvesting of Waterbirds and Their Eggs by Native People in the Northeastern Peruvian Amazon
Waterbirds. Vol 22. No 2. Pgs 217-224.

Hancock, James, and James Kushlan. 1984.
The herons handbook
Harper & Row, Publishers, Inc. New York, New York. 288 pgs.
(ISBN 0-06-015331-8)

Haverschmidt, F. 1968.
Birds of Surinam
Oliver & Boyd. Edinburgh and London. 445 pgs.

Hilty, Steven L. and William L. Brown. 1986.
A guide to the Birds of Colombia
Princeton University Press. Princeton. New Jersey. 836 pgs.
(ISBN: 0-691-08371-1 and 0-691-08372-X)

Koepcke, Maria. 1970.
The Birds of the Department of Lima, Peru
Livingston Publishing Company. Wynnewood, Pennsylvania. 144 pgs.
(ISBN: 0-87098-029-7)

McNeil, Raymond, Pierre Drapeau, and Raymond Pierotti. 1993.
Nocturnality in Colonial Waterbirds: Occurrence, Special Adaptations, and Suspected Benefits
in Current Ornithology Volume 10. Edited by Dennis M. Power.
Plenum Press. New York and London. pgs 187-246.
(ISBN: 0-306-44282-5)

Olrog, Claës Chr. 1968.
Las Aves Sudamericanas: Una guía de campo
Tomo Primero (Pingüinos - Pájaros Carpinteros)
Universidad Nacional de Tucumán. Fundación - Instituto “Miguel Lillo”. Argentina. 505 pgs. (Spanish)

Sick, Helmut. 1993.
Birds in Brazil
Translated to English from Portuguese by William Belton
Princeton University Press. Princeton, New Jersey. 703 pgs.
(ISBN: 0-691-08569-2)

Stotz, Douglas F., John W. Fitzpatrick, Theodore A. Parker III and Debra K. Moskovits. 1996.
Neotropical Birds: Ecology and Conservation
The University of Chicago Press. Chicago and London. 478 pgs.
(ISBN: 0-226-77629-8 and 0-226-77630-1, LC: QL685.7.N46 1996)

Vigil, Carlos. 1977.
Aves Argentinas y Sudamericanas. Segunda edición
Editorial Atlántida. Buenos Aires, República Argentina. 360 pgs. (Spanish)

Wetmore, Alexander. 1926.
Observations on the birds of Argentina, Paraguay, Uruguay, and Chile
Smithsonian Institution. Bulletin 133. Washington. pgs 57-58.