Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna dougallii Common name Roseate Tern
Population name dougallii, Southern Africa
Breeding range S Cape Province South Africa Non-breeding range
Red List Category Least Concern
Ramsar regions Africa
Notes In CSR7, merged with the Madagascar part of the former arideensis, Madagascar, Seychelles & Mascarenes population following the revised taxonomy in HBW Alive and following Safford and Hawkins (2013) who recognise arideensis only from Seychelles, St Brandon and Rodrigues and treat birds from Madagascar as nominate race following Tree (2005).

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 200 200 [R165]
WPE 3 0 0 750 750 [R196]
WPE 4 0 0 750 780 [S2532] [R637]
WPE 2 0 0 200 200 [R165]
WPE 5 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 4 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 5 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 6 2000 2004 250 800 Expert opinion [S8633] [R638]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1965 1980 DEC [R165]
WPE 3 1984 1999 INC [R664]
WPE 4 1984 1999 INC [R664]
WPE 2 1965 1980 DEC [R165]
WPE 5 1998 2002 INC Reasonable [R637] [R664]
CSR 4 1998 2002 INC Reasonable [R637] [R664]
CSR 5 1998 2002 INC Reasonable [R637] [R664]
CSR 6 1996 2004 FLU Reasonable [T6617] [R637]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 2
WPE 3 2002 8
WPE 4 2006 8
WPE 2 1997 2
WPE 5 2012 8
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.
  • R196 - du Toit, M., Boere, G.C., Cooper, J., Kemper, J., Lenten, B., Simmons, R.S., Whittington, P.A. and Byers, O. (eds). 2002. Conservation assessment and management plan for southern African coastal seabirds. Workshop Report, Cape Town, South Africa, 4-8 Feb
  • R664 - Underhill, L.G. Tree, A.J., Oschadleus, H.D. and Parker, V. 1999. Review of Ring Recoveries of Waterbirds in Southern Africa. Cape Town: Avian Demography Unit, University of Cape Town, South Africa. 119 pp..
  • 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.
  • R418 - Louette, M. 2004. Oiseaux. In: Louette, M., D. Meirte and R. Jocque (eds). La faune terrestre de l?archipel des Comores. Studies in Afrotropical Zoology (MRAC, Tervuren). 293: 89-196.
  • R638 - Tree, A.J.,. In litt. 2005.

Notes

  • S2532 - 645: 250-260 pairs in 2000.
  • S8633 - South Africa: Algoa: 250-260 pairs in 2000, 70-75 pairs in 2003 & 2004; Dyer: 17-18 pairs in 2002, ca. 7 pairs in 2004. Mozambique: 60 pairs in 2003. Tanzania 150 pairs Mafia 2003 + estimate 500 - 700 pairs Zanzibar (e.g. 1994).
  • T6617 - 152 nests at Algoa Bay in 1996; 250-260 pairs in 2000; 70-75 in 2003 & 2004. Major declines from 1930s-1970s.



Copyright Wetlands International 2012

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