Population information

Order name Anseriformes
Family name Anatidae
Scientific name Cygnus cygnus Common name Whooper Swan
Population name N Europe & W Siberia/Black Sea & E Mediterranean
Breeding range N Europe, W Siberia Non-breeding range Black Sea, E Mediterranean
Red List Category Least Concern
Ramsar regions Asia Europe
Notes

Conservation Framework

Conservation framework Notes
AEWA
EUBD
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 17,000 17,000 [R456]
WPE 2 0 0 17,000 17,000 [R558]
WPE 3 0 0 17,000 17,000 [R558]
WPE 4 0 0 17,000 17,000 [R558]
WPE 5 1983 1983 12,000 12,000 Expert opinion [R558]
CSR 4 1983 1983 12,000 12,000 Expert opinion [R558]
CSR 5 1983 1983 12,000 12,000 Expert opinion [R558]
CSR 6 2008 2012 14,000 14,000 Expert opinion [S8475] [R1365]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1967 1986 STA [R456]
WPE 2 1984 1994 DEC [R578]
WPE 3 1984 1994 DEC [R578]
WPE 4 1984 1994 DEC [R578]
WPE 5 1996 2006 Unknown No idea [T5311]
CSR 4 1996 2005 DEC Poor [T2136] [R904]
CSR 5 1996 2006 Unknown No idea [T2137] [R888]
CSR 6 2003 2012 INC Poor [T6472] [R1365]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 170
WPE 2 1997 170
WPE 3 2002 170
WPE 4 2006 170
WPE 5 2012 120
CSR 4 0 -1
CSR 5 0 -1
CSR 6 0 -1

References

  • R456 - Monval, J-Y. and Pirot, J-Y. 1989. Results of the IWRB International Waterfowl Census 1967-1986. IWRB Spec. Publ. No. 8. Slimbridge, UK.
  • R558 - R?ger, A., Prentice, C. and Owen, M. 1986. Results of the International Waterfowl Census 1967-1983. IWRB Spec. Publ. No. 6. Slimbridge, UK.
  • 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.
  • R904 - Wetlands International. November 2007. Unpublished population trend analysis based on the IWC database of January counts in Europe using TRIM software.
  • R888 - Wetlands International, 2012. Results of trend analysis undertaken for CSR5 2012, presented in Annex 4. http://www.unep-aewa.org/meetings/en/mop/mop5_docs/pdf/mop5_14_csr5.pdf
  • R1365 - Wetlands International, International Waterbird Census, unpublished data, 2014.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

  • T5311 - Wetlands International 2012. Trend 1989-2006: -0.1% p.a. ? Uncertain.
  • T2136 - 914. Steep decrease since mid 1990s apparently continuing.
  • T2137 - 898. Trend 1989-2006: -0.1% p.a. – Uncertain.
  • S8475 - 5-year-mean of IWC counts at site level add up to is 13,953 for the period of 2008-2012. Annual count totals between 1,773 and 6,443 individuals during the same period.
  • T6472 - Apparent strong increase in count totals adjusted for missing counts, but count totals decreased due to decreasing coverage in the northern Black Sea.



Copyright Wetlands International 2012

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