Population information

Order name Charadriiformes
Family name Laridae
Scientific name Onychoprion fuscatus Common name Sooty Tern
Population name fuscatus, Gulf of Guinea & S Atlantic (bre)
Breeding range Tropical S Atlantic Is, Gulf of Guinea Is Non-breeding range Tropical Atlantic Ocean
Red List Category Least Concern
Ramsar regions Africa Neotropics
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 40,000 40,000 [R165]
WPE 2 0 0 40,000 40,000 [R165]
WPE 3 2001 2001 900,000 900,000 [R190]
WPE 4 2001 2001 900,000 900,000 [R190]
WPE 5 2001 2001 900,000 900,000 [R190]
CSR 6 2001 2013 900,000 1,050,000 Expert opinion [S8636] [R190]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 0 0 Unknown No idea
CSR 6 1997 2013 INC? Poor [T6619] [R1380]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 400
WPE 2 1997 400
WPE 3 2002 9000
WPE 4 2006 9000
WPE 5 2012 9000

References

  • 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.
  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R1380 - Valle, S., Barros, N, & Wanless, R.M. 2014. Status and trends of the seabirds breeding at Tinhosa Grande Island, São Tomé e Príncipe. BirdLife International, Cambridge.

Notes

  • S8636 - 160,000 pairs (estimated at 416,000 birds) in Tinhosas, February 2013 (Valle et al. 2014)
  • T6619 - Increased from ca. 100,000 pairs in 1997 to 160,000 in 2013 at Tinhosas. However status of other colonies unknown.



Copyright Wetlands International 2012

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