Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna dougallii Common name Roseate Tern
Population name dougallii, East Africa
Breeding range S Somalia -Tanzania Non-breeding range E African seaboard (dispersive)
Red List Category Least Concern
Ramsar regions Africa
Notes Perhaps better assigned to bangsi (del Hoyo et al. (1996)).

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 38,000 38,000 [R414]
WPE 2 0 0 38,000 38,000 [R414]
WPE 3 0 0 25,500 25,500 [R145]
WPE 4 0 0 25,500 25,500 [R145]
WPE 5 1983 1983 25,500 25,500 Expert opinion [R145]
CSR 4 1983 1983 25,500 25,500 Expert opinion [R145]
CSR 5 1983 1983 25,500 25,500 Expert opinion [R145]
CSR 6 1999 2004 10,000 20,000 Expert opinion [S8635] [R1371]

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
CSR 4 0 0 Unknown
CSR 5 0 0 Unknown
CSR 6 1987 2001 FLU Reasonable [R637]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 380
WPE 2 1997 380
WPE 3 2002 260
WPE 4 2006 260
WPE 5 2012 260
CSR 4 0 -1
CSR 5 0 -1

References

  • 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.
  • R145 - Cooper, J., Williams, A.J. and Britton, P.L. 1984. Distribution, population sizes and conservation of breeding seabirds in the Afrotropical region. IUCN Technical Publication 2, 403-417.
  • 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/
  • R637 - Tree, A.J. and Klages, N.T.W. 2003. Status, biometrics, moult and possible relationships of the South African population of Roseate Tern. Ostrich 74 (1 and 2): 74?80.

Notes

  • S8635 - Tz: 850-1300 pairs, Kenya & Somalia 3K-5K pairs.



Copyright Wetlands International 2012

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