Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna vittata Common name Antarctic Tern
Population name tristanensis, Tristan da Cunha & Gough/South Africa
Breeding range Tristan da Cunha, Gough Is Non-breeding range Coast of South Africa
Red List Category Least Concern
Ramsar regions Africa
Notes

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 1,500 1,500 [R165]
WPE 2 0 0 2,500 2,500 [R165]
WPE 3 2001 2001 2,600 3,800 [R190]
WPE 4 0 0 2,400 4,500 [S2606] [R636]
WPE 5 2003 2003 2,400 4,500 Expert opinion [R636]
CSR 4 2003 2003 2,400 4,500 Expert opinion [R636]
CSR 5 2003 2003 2,400 4,500 Expert opinion [R636]
CSR 6 2003 2003 2,400 4,500 Expert opinion [R636]

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 1990 2000 STA No idea [R66]
CSR 4 1990 2000 STA No idea [R66]
CSR 5 1990 2000 STA No idea [R66]
CSR 6 2003 2012 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 25
WPE 2 1997 25
WPE 3 2002 30
WPE 4 2006 35
WPE 5 2012 35
CSR 4 0 -1
CSR 5 0 -1

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 Unpublished report to Wetlands International.
  • R636 - Tree, A.J. and Klages, N.T.W. 2004. Population size, distribution and origins of Antarctic Terns Sterna vittata wintering in South Africa. Marine Ornithology 32: 55-61.
  • R66 - BirdLife International Website 2002

Notes

  • S2606 - Estimate of 800-1,500 pairs (P.G. Ryan in 644). Total of tristanensis, vittata and sanctipauli wintering in South Africa in 2001 estimated at 12,800 (644).



Copyright Wetlands International 2012

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