Population information

Order name Anseriformes
Family name Anatidae
Scientific name Aythya nyroca Common name Ferruginous Duck
Population name West Mediterranean/North & West Africa
Breeding range W Mediterranean & N W Sahara Non-breeding range N & W Africa
Red List Category Near Threatened
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 2 1990 1995 10,000 10,000 [R578]
WPE 3 0 0 2,000 3,000 [R579]
WPE 4 0 0 2,400 2,600 [S5493] [R192]
WPE 1 0 0 10,000 10,000 [R456]
WPE 5 2004 2004 2,400 2,600 Expert opinion [R192]
CSR 4 2004 2004 2,400 2,600 Expert opinion [R192]
CSR 5 2004 2004 2,400 2,600 Expert opinion [R192]
CSR 6 2000 2014 5,700 6,300 Expert opinion [S8549] [R1362] [R1371]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1986 1996 DEC [R578]
WPE 3 1993 2003 DEC [R270]
WPE 4 1993 2003 DEC [R270]
WPE 1 0 0 Unknown
WPE 5 1993 2003 DEC Poor [R270]
CSR 4 1993 2003 DEC Poor [R270]
CSR 5 1993 2003 DEC Poor [R270]
CSR 6 2000 2012 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 100
WPE 3 2002 30
WPE 4 2006 25
WPE 1 1994 100
WPE 5 2012 25
CSR 4 0 -1
CSR 5 0 -1
CSR 6 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.
  • R579 - Scott, D.A. in press, 2002. Report on the Conservation Status of Migratory Waterbirds in the Agreement Area. Update Report to African Eurasian Migratory Waterbird Agreement Secretariat
  • R270 - Green, A.J. 2002, in prep. Porron Pardo Aythya nyroca. In: Libro Rojo de las Aves en Espana. Editors: SEO, publishers: Ministeria de Medio Ambiente.
  • R192 - Dodman, T., 2006. Status, estimates and trends of waterbird populations in Africa. Wetlands International, Dakar.
  • 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.
  • 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.
  • R1371 - Dodman, T. 2014. Status, Estimates and Trends of Waterbird Populations in Africa: AEWA-listed African populations. Wetlands International. (CSR6 African populations) URL: https://www.wetlands.org/publications/1304/
  • 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

  • S5493 - 337: 550-600 in NE Algeria: 500 individuals (200 pairs) recently counted in central Algeria; 338: 80 pairs in Tunisia; 627: 5-10 pairs in Morocco.
  • S8549 - European Topic Centre on Biological Diversity (in prep.) estimates only 2-4 pairs in ES and PT. Dodman (2014) estimated 1900-2100 breeding pairs in NW Africa.



Copyright Wetlands International 2012

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