Ali, Sálim. 1996.
The Book of Indian Birds
Bombay Natural History Society. Oxford University Press. Mumbai, Delhi, Calcuta, Madras. 354 pgs.
(ISBN 0 19 563731 3)

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)

Barlow, Clive and Tim Wacher. 1997.
A field guide to birds of the Gambia and Senegal
Yale University Press. New Haven and London. 400 pgs.
(ISBN: 0-300-07454-9)

Beaman, Mark and Steve Madge. 1998.
The Handbook of Bird Identification for Europe and the Western Palearctic
Princeton University Press. Princeton, New Jersey. 868 pgs.
(ISBN 0-691-02726-9, LC: QL690.A1B385 1998)

Beehler, Bruce M., Thane K. Pratt, and Dale A. Zimmerman. 1986.
Birds of New Guinea
Princeton University Press. Princeton, New Jersey. 296 pgs.
(ISBN 0-691-02394-8 and 0-691-08385-1)

Bennetts, Robert E., Mauro Fasola, Heinz Hafner, e Yves Kayser. 2000.
Influence of Environmental and Density-dependent Factors on Reproduction of Little Egrets
The Auk. Vol 117. No 3. Pgs 634-639.

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

Dami, Laura, Robert E. Bennetts and Heinz Hafner. 2006.
Do Cattle Egrets Exclude Little Egrets from Setting at Higher quality Sites within Mixed-species Colonies?
Waterbirds. Vol 29. No 2. Pgs 154-162.

Delacour, Jean and Ernst Mayr. 1946.
Birds of the Philippines
The MacMillan Company. New York. 309 pgs.

Etchécopar, R. D. and François Hüe. 1967.
The Birds of North Africa from the Canary Islands to the Red Sea
Translated from French to English by P. A. D. Hollom.
Oliver & Boyd. Edinburgh and London. 612 pgs.

Fasola, M. and L. Canova. 1993.
Diel activity of resident and immigrant waterbirds at Lake Turkana, Kenya
IBIS. Vol 135. No 4. Pgs 442-450.

Hafner, Heinz, Yves Kayser, Vincent Boy, Mauro Fasola, Anne-Caroline Julliard, Roger Pradel, and Frank Cézilly. 1998.
Local survival, natal dispersal, and recruitment in Little Egrets Egretta garzetta
Journal of Avian Biology. Vol 29. No 3. Pgs 216-227.

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

Heather, Barrie and Hugh Robertson. 1997.
The field guide to the birds of New Zealand
Oxford University Press. Oxford, New York, Tokyo. 432 pgs.
(ISBN: 0 19 850146 3 and 0 19 850145 5)

Howard, Richard and Alick Moore. 1991.
A complete checklist of the birds of the world. Second Edition.
Academic Press. San Diego, California. pgs 13-15.
(ISBN 0-12-356910-9)

MacKinnon, John and Karen Phillipps. 1993.
A Field Guide to the Birds of Borneo, Sumatra, Java and Bali
Oxford University Press. Oxford, New York, Tokyo. 491 pgs.
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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)

Pizzey, Graham. 1994.
Birds of Australia Third printing.
Princeton University Press. Princeton, New Jersey. 460 pgs.
(ISBN 0-691-08277-4 and 0-691-08483-1)

Tourenq, Christophe, Robert E. Bennetts, Nicolas Sadoul, François Mesleard, Yves Kayser, and Heinz Hafner. 2000.
Long-term Population and Colony Patterns of Four Species of Tree-nesting Herons in the Camargue, South France
Waterbirds. Vol 23. No 2. Pgs 236-245.

Voisin, Claire. 1991.
The Herons of Europe
T & A D Poyser. London. 364 pgs.
(ISBN: 0 85661 063 1)

Wells, David R. 1999.
The Birds of the Thai-Malay Peninsula: Covering Burma and Thailand south of the eleventh parallel, Peninsular Malaysia and Singapore
Academic Press. London. 648 pgs.
(ISBN: 0-12-742961-1)

Wong, L.C., Richard T. Corlett, Lleweylln Young, and Joe S. Y. Lee. 2000.
Comparative Feeding Ecology of Little Egrets on Intertidal Mudflats in Hong Kong, South China
Waterbirds. Vol 23. No 2. Pgs 214-225.

Zimmerman, Dale A., Donald A. Turner and David J. Pearson. 1996.
Birds of Kenya and Northern Tanzania
Princeton University Press. Princeton, New Jersey. 740 pgs.
(ISBN: 0-691-02658-0)