Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anas capensis Nom courant Cape Teal
Nom population Lake Chad basin
Aire de reproduction Lake Chad Aire de non-reproduction
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Africa
Notes In WPE2 this population belonged to one single population (E Africa to Western Africa).

Réseau de conservation

Réseau de conservation Notes
AEWA
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 1 500 [R28]
WPE 4 0 0 1 500 [S5069] [R29]
WPE 5 1993 2003 1 500 Expert opinion [R29]
CSR 4 1993 2003 1 500 Expert opinion [R29]
CSR 5 1993 2003 1 500 Expert opinion [R29]
CSR 6 1993 2003 1 500 Expert opinion [R29]
CSR 7 1993 2003 1 500 Best guess [R29]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1991 2001 DEC [R190]
WPE 4 1993 2003 DEC [R29]
WPE 5 1993 2003 DEC Poor [R29]
CSR 4 1993 2003 DEC Poor [R29]
CSR 5 1993 2003 DEC Poor [R29]
CSR 6 1993 2003 DEC Poor [T6669] [R29]
CSR 7 1993 2003 DEC Poor [T7224]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 5
WPE 4 2006 5
WPE 5 2012 1
CSR 4 0 -1
CSR 5 0 -1
CSR 7 2018 1

References

  • R28 - Baker, N. (in press). The northern population of the Cape Teal Anas capensis. Wildfowl.
  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R29 - Baker, N. 2003. A reassessment of the northern population of the Cape Teal Anas capensis. Scopus 23: 29-43.

Notes

  • S5069 - 197: 500 may be too high, whilst the absence of any movements from other areas remains unproven.
  • T6669 - Clear long-term decline, but current status uncertain.
  • T7224 - Clear long-term decline, but current status is uncertain.



Copyright Wetlands International 2012

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