|Scientific name||Mareca penelope||Common name||Eurasian Wigeon|
|Population name||Western Siberia & NE Europe/NW Europe|
|Breeding range||W Siberia & NW, NE Eur||Non-breeding range||NW Europe|
|Red List Category||Least Concern|
|Ramsar regions||Asia Europe|
|Publication||Start year||End year||Minimum||Maximum||Estimate quality||Notes||References||Actions|
|WPE 5||2005||2005||1,500,000||1,500,000||Expert opinion||[R692]|
|CSR 4||2005||2005||1,500,000||1,500,000||Expert opinion||[R692]|
|CSR 5||2005||2005||1,500,000||1,500,000||Expert opinion||[R692]|
|CSR 6||2003||2012||1,300,000||1,500,000||Expert opinion||[S8264]||[R1362] [R1381] [R1365]|
|CSR 7||2003||2012||1,300,000||1,500,000||Expert opinion||[S8894]||[R1549] [R1548]|
|Publication||Start year||End year||Trend||Trend quality||Notes||References||Actions|
|CSR 6||2003||2012||DEC||Good||[T6264]||[R1350] [R1351] [R1381] [R1362] [R1480]|
|CSR 7||2006||2015||DEC?||Good||[T6916]||[R1548] [R1597] [R1598]|
Population 1% level
- 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- R692 - Wetlands International, International Waterbird Census, unpublished data, 2005.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
- 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
- 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.
- 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.
- R1365 - Wetlands International, International Waterbird Census, unpublished data, 2014.
- R1350 - Austin, G.E., Read, W.J., Calbrade, N.A., Mellan, H.J., Musgrove, A.J., Skellorn, W., Hearn, R.D., Stroud, D.A., Wotton, S.R. and Holt, C.A. 2014. Waterbirds in the UK 2011/12: The Wetland Bird Survey. BTO/RSPB/JNCC. Thetfordhttp://www.bto.org/volunteer-surveys/webs/publications/webs-annual-report
- R1351 - Hornman, M., Van Roomen, M., Hustings, F., Koffijberg, K., Van Winden, E., & Soldaat, L. (2012). Populatietrends van overwinterende en doortrekkende watervogels in Nederland in 1975-201. Limosa, 85(3), 97.
- R1480 - Christensen, T.K. & Fox, A.D. 2014. Changes in age and sex rations amongst samples of hunter-shot wings from common duck species in Denmark 1982-2010. European Journal of Wildlife Research 60:303-312.
- R1549 - BirdLife International 2015. European Red List of Birds. Luxembourg: Office for Official Publications of the European Communities. http://datazone.birdlife.org/info/euroredlist
- 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. URL: http://iwc.wetlands.org/index.php/aewatrends
- R1597 - Fox, A. D., Dalby, L., Christensen, T. K., Nagy, S., Balsby, T. J., Crowe, O., ... & Hornman, M. (2016). Seeking explanations for recent changes in abundance of wintering EurasianWigeon (Anas penelope) in northwest Europe. Ornis Fennica, 93(1), 12.
- R1598 - PÃ¶ysÃ¤, H., Elmberg, J., Gunnarsson, G., Holopainen, S., Nummi, P., & SjÃ¶berg, K. (2017). Habitat associations and habitat change: seeking explanation for population decline in breeding Eurasian wigeon Anas penelope. Hydrobiologia, 785(1), 207-217.
- T3326 - 700: Peak of 1,400,000 counted in 1995, since when trend has levelled off. Trend 1993-2002 stable.
- T5979 - Wetlands International 2012. Trend 1983-2007: +2.6% p.a. ? Increase, but no increase since mid 1990s
- T3327 - 898. Trend 1983-2007: +2.6% p.a. â€“ Increase, but no increase since mid 1990s
- S8264 - The total of national wintering population estimates from the EU Birds Directive Art. 12 reporting process adds up to 1,7-2 million birds. However, these estimates cover slightly different periods and some double counting. Recent IWC count totals are lower than in the mid-90s to mid-2000s. The count totals varied between 1. million and 1.4 million individuals. With imputing, that equals to 1.3-1.5 million individuals. As this is only slightly less than the earlier estimate of 1.5 million bird, that estimate was retained.
- T6264 - Trend 1998-2012: +0.9% p.a., 2003-2012: -3.0% p.a. decline (Nagy et al. 2014). This is consistent with the results of national population trends in the UK and the NL, which holds c. 3/4 of the population (Austin et al. 2014, Horman et al. 2012). At the same time there is no evidence of simultaneous increases at the equally well monitored countries such as DE, DK or SE (European Topic Centre on Biological Diversity, in prep). Further support to the genuine decline is that significant decline in the proportion of young birds was reported (Christensen &Â Fox, 2013).
- S8894 - The total of national wintering population estimates adds up to 1.7-2 million birds (BirdLife International 2015). However, these estimates cover slightly different periods and some double counting. Recent IWC count totals are lower than in the mid-90s to mid-2000s. The IWC count totals were around 1,105,000 â€“ 1,226,000 individuals between 2011-2015 (Wetlands International 2017). As these totals are somewhat incomplete, the earlier estimate of 1.5 million birds was retained.
- T6916 - Increased in the long-term, but decreased since 2001 and suffered c. 40% decline over the last 10 years. However, the short-term trend is statistically uncertain. Fox et al. (2016) highlighted reduced reproductive success as a possible demographic cause. Poysa et al. (2017) linked the decline to the reduced extent of Equisetum habitats.
Copyright Wetlands International 2012 Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on