Population information

Order name Anseriformes
Family name Anatidae
Scientific name Aythya nyroca Common name Ferruginous Duck
Population name S, E & SE Asia (non-bre)
Breeding range Central Asia to W China & W Mongolia Non-breeding range S, E & SE Asia
Red List Category Near Threatened
Ramsar regions Asia
Notes

Conservation Framework

Conservation framework Notes
EAAF Partnership
CAF Action Plan
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1987 1991 10,000 10,000 [R519]
WPE 2 1987 1991 10,000 10,000 [R519]
WPE 3 0 0 25,000 1,000,000 [R416]
WPE 4 2005 2005 100,000 100,000 [S5509] [R64]
WPE 5 2005 2005 100,000 100,000 [S8101] [R64]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1977 1991 DEC [R519]
WPE 2 1977 1991 DEC [R519]
WPE 3 1977 1991 DEC [R519]
WPE 4 1977 1991 DEC [R519]
WPE 5 1977 1991 DEC [R519]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 100
WPE 2 1997 100
WPE 3 0 -1
WPE 4 2006 1000
WPE 5 2012 1000

References

  • R519 - Perennou, C.P., Mundkur, T. and Scott, D.A. 1994. The Asian Waterfowl Census 1987-1991: distribution and status of Asian waterfowl. IWRB Spec. Publ. No. 24; AWB Spec. Publ. No. 86. Slimbridge, UK and Kuala Lumpur, Malaysia.
  • R416 - Lopez, A. and Mundkur, T. (eds.) 1997.The Asian Waterfowl Census 1994-1996. Results of the Coordinated Waterbird Census and an Overview of the Status of Wetlands in Asia. Wetlands International, Kuala Lumpur.
  • R64 - BirdLife International. 2005. Threatened birds of the world 2005. Species factsheets available at?www.birdlife.org

Notes

  • S5509 - Tens of thousands breed in Inner Mongolia and common on Tibetan Plateau (65). >90,000 on Hoars of NE Bangladesh, Jan 2002 (669).
  • S8101 - Tens of thousands breed in Inner Mongolia and common on Tibetan Plateau (BirdLife International. 2005). >90,000 on Hoars of NE Bangladesh, Jan 2002 (669).



Copyright Wetlands International 2012

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