Population information

Order name Anseriformes
Family name Anatidae
Scientific name Tadorna tadorna Common name Common Shelduck
Population name Black Sea & Mediterranean
Breeding range Black Sea, Mediterranean Non-breeding range
Red List Category Least Concern
Ramsar regions Africa 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 75,000 75,000 [R456]
WPE 2 1990 1995 75,000 75,000 [R578]
WPE 3 1990 1995 75,000 75,000 [R578]
WPE 4 1990 1995 75,000 75,000 [R578]
WPE 5 2005 2005 120,000 120,000 Expert opinion [S7084] [R874]
CSR 5 2005 2005 120,000 120,000 Expert opinion [S4896] [R874]
CSR 4 1996 1996 75,000 75,000 Expert opinion
CSR 6 2003 2012 150,000 150,000 Expert opinion [S8522] [R1362] [R1361] [R63] [R1365]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1967 1986 INC [R456]
WPE 2 1967 1986 INC [R456]
WPE 3 1987 1996 DEC [R181]
WPE 4 1993 2002 STA [T3163] [R692]
WPE 5 1996 2006 INC Reasonable [T5914] [R63] [R888]
CSR 5 1996 2006 INC Reasonable [T3164] [R63] [R888]
CSR 4 2004 2004 DEC Reasonable [T3165] [R904]
CSR 6 2003 2012 INC Reasonable [T6518] [R1381] [R1361] [R1362]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 750
WPE 2 1997 750
WPE 3 2002 750
WPE 4 2006 750
WPE 5 2012 1200
CSR 5 0 -1
CSR 4 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.
  • R181 - Delany, S.N., Reyes, C. Hubert, E., Pihl, S., Rees, E., Haanstra, L., and van Strien, A. 1999. Results from the International Waterbird Census in the Western Palearctic and Southwest Asia 1995 and 1996.
  • R692 - Wetlands International, International Waterbird Census, unpublished data, 2005. See: http://www.wetlands.org/listmenu.aspx?id=56f39008-f9a9-4569-92c1-a0457e95eeaf
  • R874 - Margus Ellermaa in litt. 2007. Thousands of ring recoveries indicate complete separation of Baltic and Black Sea populations in breeding season.
  • R63 - BirdLife International (2004)b. Birds in Europe, population estimates, trends and conservation status. Cambridge, UK: BirdLife International. (BirdLife Conservation Series No. 12).
  • 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
  • R904 - Wetlands International. November 2007. Unpublished population trend analysis based on the IWC database of January counts in Europe using TRIM software.
  • R1362 - European Topic Centre on Biological Diversity (in prep) Population and trend data provided by the EU Member States in the frame of their reporting under Article 12 of the EU Birds Directive. Online fact sheets. European Topic Centre on Biological Diversity, Paris. URL: http://bd.eionet.europa.eu/activities/Reporting/Article_12/Reports_2013/Member_State_Deliveries. Accessed on 31 July 2014.
  • R1361 - BirdLife International, BTO, EBCC, CSO, IUCN, RSPB, SOVON, Wetlands International (in prep) Population and trend data provided to the European Red List of Birds Project funded by the European Commission. Digital dataset. BirdLife International, Cambridge, UK. Accessed on 31 July 2014.
  • R1365 - Wetlands International, International Waterbird Census, unpublished data, 2014.
  • 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.
  • 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

  • T3163 - 700: Increasing trend 1974-2002; but stable trend 1993-2002.
  • S7084 - Boulkhssaim et al. 2006. Former under-estimate indicated by count of 68,000 at the Hauts Plateaux , NW Algeria, January 2005.
  • T5914 - Wetlands International 2012. Trend 1991-2006: +1.5% p.a. ? Increase. BirdLife International 2004b: Increased or stable in all breeding range states except of the small populations in Bulgaria.
  • S4896 - 884. Former under-estimate indicated by count of 68,000 at the Hauts Plateaux , NW Algeria, January 2005.
  • T3164 - 898. Trend 1991-2006: +1.5% p.a. – Increase. 64: Increased or stable in all breeding range states except of the small populations in Bulgaria.
  • T3165 - 914. Increasing in W Mediterranean, decreasing in E Mediterranean/Black Sea
  • S8522 - IWC count totals have ranged between 39,922 and 99,409 individuals between 2002 and 2012. The sum of the FYM at site level was 104,618 individuals for the period of 2008-2012. Accounting for missing counts, the population is likely to be around 150,000 individuals. However, 7,622-11,889 pairs in RU, BG, RO, GR, HU, SK, AT, SI, IT, ES, PT, BY (European Topic Centre on Biological Diversity, in prep., BirdLife International et al., in prep.). Further 2,004-2,908 pairs in UA, TR, AL, RS&ME (BirdLife International, 2004). This yields a total breeding population estimate of 28,800-44,400 individuals. Total of national wintering poulation estimates is 39,963-70,752 individuals for the EU Member States only (European Topic Centre on Biological Diversity), but this figure does not include the southern and eastern Mediterranean and majority of the Black Sea.
  • T6518 - The large increase shown by the IWC counts (Nagy et al., 2014) agree with the overall trends emerging from the national wintering population estimates from the EU Member States (2000-2012: 1.0351-1.0517, 1980-2012: 1.0157-1.0215, European Topic Centre on Biological Diversity, in prep., BirdLife International et al., in prep.). However, trend direction of the breeding population is less clear (2000-2012: 0.9910-1.0208, 1980-2012: 0.9996-1.0041, European Topic Centre on Biological Diversity, in prep., BirdLife International et al., in prep.).
  • S8893 - The IWC count total has reached 260,000 in 2014 and it was also above 210,000 in 2012.



Copyright Wetlands International 2012

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