Population information

Order name Anseriformes
Family name Anatidae
Scientific name Cygnus columbianus Common name Tundra Swan
Population name bewickii, Western Siberia & NE Europe/North-west Europe
Breeding range Arctic N Russia Non-breeding range NW Europe
Red List Category Least Concern
Ramsar regions Asia Europe
Notes Considered separate from Cygnus columbianus, following Birdlife 2012 review.

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 [R456]
WPE 4 2006 2006 20,000 20,000 [R668]
WPE 3 0 0 29,000 29,000 [R48]
WPE 5 2005 2005 21,500 21,500 Census based [R668]
CSR 4 2000 2005 20,000 20,000 Census based
CSR 5 2005 2005 21,500 21,500 Census based [R668]
CSR 6 2010 2010 18,000 18,100 Census based [S8237] [R1339]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1967 1986 INC [R456]
WPE 2 1972 1989 INC [R578]
WPE 4 1985 2005 DEC [T2204] [R668]
WPE 3 1991 2001 DEC [R603]
WPE 5 1997 2007 DEC Good [T5366] [R888]
CSR 4 1990 2005 DEC Poor
CSR 5 1997 2007 DEC Good [T2207] [R888]
CSR 6 2003 2012 DEC Good [T6238] [R1381]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 170
WPE 2 1997 170
WPE 4 2006 200
WPE 3 2002 290
WPE 5 2012 220
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.
  • 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.
  • R668 - Unpublished information supplied by Wetlands International Specialist Groups, 2006.
  • R48 - Beekman, J.H. 1997. International censuses of the north-west European Bewick?s Swan population, January 1990 and 1995. Swan Specialist Group Newsletter No.6: 7-9.
  • R603 - SOVON Ganzen- en zwanenwerkgroep. 2001. Ganzen- en zwanentellingen in Nederland in 1999/2000. SOVON Monitoringrapport 2001/06, RIZA-rapport BM01.17. SOVON Vogelonderzoek Nederland, Beek-Ubbergen.
  • 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
  • R1339 - Beekman, J. 2014. Results of the International Swan Census in 2010.
  • R1381 - Nagy, S., Flink, S., Langendoen, T. (2014) Waterbird trends 1988-2012: Results of trend analyses of data from the International Waterbird Census in the African-Eurasian Flyway. Wetlands International, Ede.
  • R1563 - Rees, E. (in litt) 10 July 2017 to S. Nagy summarising the preliminary results of the 2015 International Swan Census
  • 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

  • T2204 - Population increased in 1990s (183), decreased sharply from late 1990s onward (610).
  • T5366 - Wetlands International 2012. Trend 1983-2007: -1.1% p.a. ? Significant long-term decline.
  • T2207 - 898. Trend 1983-2007: -1.1% p.a. – Significant long-term decline.
  • S8237 - Count total 18,055
  • T6238 - 2003-2012: 5.1±1.13% p.a. decline. 1988-2012: 4.4±0.26% p.a. decline. Significant long-term decline.
  • S8870 - Including a reasonable estimate of 5,500 birds in Germany in addition to what was counted.
  • T6879 - Agricultural areas migh be under-represented in the sample especially in DE.



Copyright Wetlands International 2012

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