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This species is almost extinct in a large part of its range and is thought to be in very rapid decline overall, owing to a multitude of threatening processes that affect riverine species in southern Asia. It has therefore been uplisted to Endangered.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
The BirdLife Taxonomic Working Group is aware that phylogenetic analyses have been published which have proposed generic rearrangements which may affect this species, but prefers to wait until work by other taxonomists reveals how these changes affect the
33 cm. Small tern. Breeding adults have orange bill, black cap and nape, dark grey breast and blackish belly and vent. Non-breeding birds show a whitish belly and lack tail streamers and the orange bill has a dark tip. Similar spp Told from other terns by smaller size and orange bill. Voice A clear piping "peuo".
BirdLife International. 2001. Threatened birds of Asia: the BirdLife International Red Data Book. BirdLife International, Cambridge, U.K.
Goes, F.; Claassen, A.; Nielsen, H. 2010. Letter to the Editor - Obituary to the Black-bellied Tern. Cambodian Journal of Natural History 1: 5-6.
Perennou, C. P.; Mundkur, T.; Scott, D. A. 1994. The Asian Waterfowl Census 1987-1991: distribution and status of Asian waterfowl. IWRB and AWB, Slimbridge and Kuala Lumpur.
Sykes, B. 2010. River terns: is the Black-bellied Tern Sterna acuticauda heading to oblivion? BirdingASIA 13: 73.
Further web sources of information
Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).
Text account compilers
Benstead, P., Butchart, S., Mahood, S., Taylor, J.
Baral, H., Cuthbert, F., Davidson, P., Duckworth, W., Eames, J., Htin Hla, T., Inskipp, C., Khan, A., Li, Z., Mahood, S., Parveen, A., Poole, C., Praveen, J., Rafeek, K., Rahmani, A., Singh, A., Sundar, G., Thompson, P., Timmins, R. & Yasmeen, R.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2016) Species factsheet: Sterna acuticauda. Downloaded from http://www.birdlife.org on 01/10/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 01/10/2016.
This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.
Additional resources for this species
|Current IUCN Red List category||Endangered|
|Family||Laridae (Gulls, Terns, Skimmers)|
|Species name author||Gray, 1832|
|Population size||6700-17000 mature individuals|
|Distribution size (breeding/resident)||2,470,000 km2|
|Links to further information|
|- Additional Information on this species|