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 Sterna nilotica

This taxon is Not Recognised as a species by BirdLife International.

Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: # _the_WP15.xls#.
Christidis, L.; Boles, W. E. 2008. Systematics and taxonomy of Australian birds. CSIRO Publishing, Collingwood, Australia.
Cramp, S.; Perrins, C. M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
SACC. 2006. A classification of the bird species of South America. Available at: #
Turbott, E. G. 1990. Checklist of the birds of New Zealand. Ornithological Society of New Zealand, Wellington.

Taxonomic note
Gelochelidon nilotica and G. macrotarsa (del Hoyo and Collar 2014) were previously placed in the genus Sterna and lumped as S. nilotica following Sibley and Monroe (1990, 1993).

Gelochelidon nilotica Cramp and Simmons (1977-1994), Gelochelidon nilotica Christidis and Boles (2008), Gelochelidon nilotica Stotz et al. (1996), Gelochelidon nilotica AOU checklist (1998 + supplements), Gelochelidon nilotica Turbott (1990)

Related state of the world's birds case studies

Further web sources of information
Detailed species account from Birds in Europe: population estimates, trends and conservation status (BirdLife International 2004)

View photos and videos and hear sounds of this species from the Internet Bird Collection

Recommended citation
BirdLife International (2015) Species factsheet: Sterna nilotica. Downloaded from on 07/10/2015. Recommended citation for factsheets for more than one species: BirdLife International (2015) IUCN Red List for birds. Downloaded from on 07/10/2015.

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

ARKive species - Gull-billed tern (Sterna nilotica) 0

Key facts
Current IUCN Red List category Not Recognised
Family Laridae (Gulls, Terns, Skimmers)
Species name author Gmelin, 1789