Population information

Order name Anseriformes
Family name Anatidae
Scientific name Oxyura leucocephala Common name White-headed Duck
Population name Algeria & Tunisia
Breeding range Algeria,Tunisia Non-breeding range
Red List Category Endangered
Ramsar regions Africa
Notes These populations were treated as a single larger population WPE1. (WPE2)

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 1990 1995 400 400 [R578]
WPE 3 0 0 400 600 [R24]
WPE 4 0 0 400 600 [R24]
WPE 5 2000 2000 400 600 Expert opinion [R24]
CSR 4 2000 2000 400 600 Expert opinion [R24]
CSR 5 2000 2000 400 600 Expert opinion [R24]
CSR 6 2009 2013 1,400 1,800 Expert opinion [S8700] [R1365]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1976 1996 STA [R578]
WPE 3 1976 1996 STA [R578]
WPE 4 1976 1996 STA [R578]
WPE 5 1986 1996 STA Poor [R578]
CSR 4 1986 1996 STA Poor [R578]
CSR 5 1986 1996 STA Poor [R578]
CSR 6 2003 2012 INC Poor [T6718] [R1365]

Population 1% level

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

References

  • R578 - Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae populations in Africa and western Eurasia. Wetlands International Publication No. 41. Wetlands International, Wageningen, NL. 336 pp.
  • R24 - Azafzaf, Hichem and Paul Isenmann. In litt. June-August, 2002.
  • R1365 - Wetlands International, International Waterbird Census, unpublished data, 2014.
  • R1548 - Wetlands International (2017) Flyway trend analyses based on data from the African-Eurasian Waterbird Census from the period of 1967-2015. Ede, The Netherlands: Wetlands International. Temporary URL: https://www.dropbox.com/sh/r76f4eyuhzu65co/AADzzQkhySsUDsmwFJUcHs91a?dl=0

Notes

  • S8700 - Count coverage is fluctuating. High counts were 1672 individuals in 2009 and 1204 individuals in 2013 (Wetlands International, 2014).
  • T6718 - Significant increase in numbers and it is likely that this represents a combination of genuine increase at some sites and of increased coverage.
  • S8899 - Yearly count totals from 2011 to 2014 were: 1,713 , 2,029, 1,204 and 2,585 individuals.
  • T6982 - Long-term increase.



Copyright Wetlands International 2012

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