Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna dougallii Common name Roseate Tern
Population name gracilis, Madagascar, Seychelles & Mascarenes
Breeding range Seychelles S to Madagascar, E to Cargados Carajos (Mauritius) Non-breeding range W Indian Ocean
Red List Category Least Concern
Ramsar regions Africa
Notes Races arideensis, korustes and bangsi synonymized with gracilis based on genetic study (HBW Alive, 2017)

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 2001 2001 12,000 15,000 [R190]
WPE 4 2001 2001 12,000 15,000 [R190]
WPE 1 0 0 3,600 3,600 [R414]
WPE 2 0 0 3,600 3,600 [R414]
WPE 5 2001 2001 12,000 15,000 Expert opinion [R190]
CSR 4 2001 2001 12,000 15,000 Expert opinion [R190]
CSR 5 2001 2001 12,000 15,000 Expert opinion [R190]
CSR 6 1998 2004 12,000 15,000 Expert opinion [R638]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1991 2001 DEC [R190]
WPE 4 1991 2001 DEC [R190]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1991 2001 DEC Poor [R190]
CSR 4 1991 2001 DEC Poor [R190]
CSR 5 1991 2001 DEC Poor [R190]
CSR 6 2003 2012 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 140
WPE 4 2006 140
WPE 1 1994 36
WPE 2 1997 36
WPE 5 2012 130
CSR 4 0 -1
CSR 5 0 -1

References

  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R414 - Lloyd, C., Tasker, M.L. and Partridge, K. 1991. The status of seabirds in Britain and Ireland. T. and A.D. Poyser, London, U.K. 355 pp.
  • R638 - Tree, A.J.,. In litt. 2005.

Notes




Copyright Wetlands International 2012

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