Population information

Order name Charadriiformes
Family name Laridae
Scientific name Thalasseus bergii Common name Greater Crested Tern
Population name velox, Red Sea & North-east Africa
Breeding range Red Sea & NW Somalia Non-breeding range Red Sea & NW Somalia S to Kenya
Red List Category Least Concern
Ramsar regions Africa Asia
Notes In WPE2 this population belonged to one single population (NE Africa/SW & S Asia).

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 25,000 100,000 [R579]
WPE 4 0 0 20,000 20,000 [S2499] [R192]
WPE 5 2004 2004 20,000 20,000 Expert opinion [R192]
CSR 4 2004 2004 20,000 20,000 Expert opinion [S2502] [R192] [R905]
CSR 5 2004 2004 20,000 20,000 Expert opinion [R192]
CSR 6 1990 2010 15,000 20,000 Census based [S8433] [R1330] [R1405] [R1500] [R1371]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 0 0 Unknown
CSR 4 0 0 Unknown
CSR 5 0 0 Unknown
CSR 6 0 -1 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 1000
WPE 4 2006 200
WPE 5 2012 200
CSR 4 0 -1
CSR 5 0 -1
CSR 6 0 -1

References

  • R579 - Scott, D.A. in press, 2002. Report on the Conservation Status of Migratory Waterbirds in the Agreement Area. Update Report to African Eurasian Migratory Waterbird Agreement Secretariat
  • R192 - Dodman, T., 2006. Status, estimates and trends of waterbird populations in Africa. Wetlands International, Dakar.
  • 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.
  • R1330 - Jennings, M.C. 2010. Atlas of Breeding Birds of Arabia. Fauna of Arabia Vol. 25. Senckenberg Gesellschaft für Naturforschung and King Abdulaziz City for Science and Technology, Frankfurt, Germany and Riyadh, Saudi Arabia
  • R1405 - Shobrak, M., Alsuhaybany, A. & Al-Sagheir, O. (compliers) 2003. Regional Status of Breeding Seabirds in the Red Sea and the Gulf of Aden. The Regional Organization for the Conservation of the Environment of the Red Sea and Gulf of Aden (PERSGA), Jeddah, Saudi Arabia. URL: http://www.persga.org/Files/Common/Sea_Birds/Reginal_Status_of_Seabirds.pdf
  • R1500 - Semere et al. 2008. The status of breeding seabirds and waterbirds on the Eritrean Red Sea islands. ABC Bulletin 15.2 September 2008 p 228-237.
  • R1371 - Dodman, T. 2014. Status, Estimates and Trends of Waterbird Populations in Africa: AEWA-listed African populations. Wetlands International. (CSR6 African populations) URL: https://www.wetlands.org/publications/1304/

Notes

  • S2499 - 5,300 pairs (15,900 individuals) in Red Sea & NE Africa excluding Eritrea (586). 3,500 pairs in 586udi Arabia in the 1990s (528).
  • S2502 - 915. 5,300 pairs in the Red Sea & NE Africa, plus 3,500 pairs in Saudi Arabia in the 1990s.
  • S8433 - 2,000 pairs in SA, 1,000 in DJ, none in YE (Jennings, 2010). 2,200 pairs in ER (Semere et al., 2008). Up to 1,000 pairs in SO, 152 in EG, 370 in SD (Shobrak, 2003). Dodman (2014) updated figure for EG to 300 pairs.



Copyright Wetlands International 2012

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