Population information

Order name Charadriiformes
Family name Laridae
Scientific name Onychoprion anaethetus Common name Bridled Tern
Population name antarcticus, Red Sea, E Africa, Persian Gulf, Arabian Sea to W India
Breeding range Red Sea, Persian Gulf, Arabian Sea, W India Non-breeding range Arabian Sea, Tropical Indian Ocean
Red List Category Least Concern
Ramsar regions Africa Asia
Notes

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 4 0 0 100,000 1,000,000 No quality assessment [S2712] [R521]
WPE 1 0 0 150,000 150,000 No quality assessment [R165]
WPE 2 0 0 150,000 150,000 No quality assessment [R165]
WPE 3 0 0 150,000 150,000 No quality assessment [R165]
WPE 5 2005 2005 750,000 1,050,000 Best guess [S7412] [R905]
AEWA CSR 4 2005 2005 750,000 1,050,000 Best guess [S2714] [R905]
AEWA CSR 5 2005 2005 750,000 1,050,000 Best guess [S2714] [R905]
AEWA CSR 6 2003 2009 1,500,000 1,650,000 Expert opinion [S8248] [R1343]
AEWA CSR 7 2003 2009 1,500,000 1,650,000 Expert opinion [S8248] [R1343]
AEWA CSR 8 2003 2009 1,500,000 1,650,000 Expert opinion [S8248] [R1343]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 4 1983 1998 Unknown No quality assessment [R521]
WPE 1 0 0 Unknown No quality assessment
WPE 2 0 0 Unknown No quality assessment
WPE 3 0 0 Unknown No quality assessment
WPE 5 1990 2000 STA No idea [R66]
AEWA CSR 4 1990 2000 STA No idea [R66]
AEWA CSR 5 1990 2000 STA No idea [R66]
AEWA CSR 6 2003 2012 STA Poor [T6248] [R1344] [R1345]
AEWA CSR 7 2003 2012 STA Poor [T6248] [R1344] [R1345]
AEWA CSR 8 2003 2012 STA Poor [T6248] [R1344] [R1345]

Population 1% level

Publication Yearset 1 percent Note
WPE 4 2006 10000
WPE 1 1994 1500
WPE 2 1994 1500
WPE 3 1994 1500
WPE 5 2012 8900
AEWA CSR 4 -1 -1 Not Set
AEWA CSR 5 -1 -1 Not Set
AEWA CSR 6 -1 -1 Not Set
AEWA CSR 7 2018 15700
AEWA CSR 8 2018 15700

References

  • R521 - PERSGA/GEF. 2003. Status of Breeding Seabirds in the Red Sea and Gulf of Aden. PERSGA Technical Series No. 8. PERSGA, Jeddah.
  • R165 - Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.). 1984. Status and Conservation of the World's Seabirds. ICBP Technical Publication No. 2. Cambridge, UK.
  • R905 - Dodman, T. 2007. Population sizes and status of tropical and sub-tropical seabird populations proposed for inclusion in the African-Eurasian Migratory Waterbird Agreement in 2005 and of additional candidate species. Report to AEWA, Wetlands International.
  • R66 - BirdLife International Website 2002
  • R1343 - Angel, A. & Wanless, R.M. 2014 Report on numbers, trends and conservation status of tropical seabird species included in the Agreement. Project report to Wetlands International.
  • R1344 - Tayefeh, F. H., Zakaria, M., Amini, H., Ghasemi, S., & Ghasemi, M. 2011. Breeding waterbird populations of the islands of the Northern Persian Gulf, Iran. Journal homepage: www. wesca. net, 6(1).
  • R1345 - Behrouzi-Rad, B. (2013). Breeding Species of waterbirds on 10 islands of Persian Gulf In 2009. Octa Journal of Environmental Research, 1(1), 52-64.

Notes

  • S2712 - PERSGA/GEF (2003): 130,000 breeding pairs (390,000 individuals) in eastern Red Sea, 8,500 pairs (25,500 individuals) in Sudanese Red Sea, 500 pairs (1,500 individuals) in Egyptian Red Sea, where increasing, & 1,100 pairs (3,300 individuals) Socotra. Large colonies on N. Somali coast. BirdLife International (2010c) ascribe Somali birds to antarctica.
  • S7412 - At least 250,000 pairs in the Red Sea, Gulf of Aden and Arabian Gulf.
  • S2714 - At least 250,000 pairs in the Red Sea, Gulf of Aden and Arabian Gulf.
  • S8248 - Revised estimate is based on improved data from Eritrea, Arabia and Iran.
  • T6248 - Iranian population appears to be stable or slightly increasing during the period of 2003 and 2012, but no trend data is available from the rest of the range.



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on