There are 456 species of birds recognized in the country of which 240 are breeding residents and 216 are migrants. Out of the resident birds 72 subspecies and 33 species are endemic.
References
- Rasmussen, P.C. & Anderton, J.C. 2012. Birds of South Asia. The Ripley Guide. Vols. 1 and 2. Second Edition. National Museum of Natural History Smithsonian Institution, Michigan State University and Lynx Edicions, Washington, D.C., Michigan and Barcelona.
- Birds of Sri Lanka (2012) by Deepal Warakagoda, Carol Inskipp, Tim Inskipp and Richard Grimmett.
- SHOREBIRDS of the Northern Hemisphere (2009) Richard Chandler.
- A History of the Birds of Ceylon, 1880 Vol. I-IV by Vincent Legge.
- An Ecological Reconnaissance of Wilpattu National Park, Ceylon May 1972 by John F. Eisenberg and Melvyn Lockhart.
- Resource Inventory of Wilpattu National Park - Final Report By The World Conservation Union (IUCN) Sri Lanka, December 2006