Population information

Order name Anseriformes
Family name Anatidae
Scientific name Aythya collaris Common name Ring-necked Duck
Population name N America
Breeding range C Alaska, C & E Canada, C & W USA Non-breeding range W, S & SE USA, Mexico
Red List Category Least Concern
Ramsar regions North America
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 1,220,000 1,220,000 [R651]
WPE 4 0 0 1,470,000 1,470,000 [R656]
WPE 1 0 0 968,000 968,000 [R671]
WPE 2 0 0 772,700 772,700 [R327]
WPE 5 0 0 1,470,000 1,470,000 [R656]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1955 2001 STA [R651]
WPE 4 1955 2001 STA [R651]
WPE 1 1982 1992 STA [R671]
WPE 2 1986 1996 STA [R712]
WPE 5 1955 2001 STA [R651]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 12200
WPE 4 2006 14700
WPE 1 1994 9700
WPE 2 1997 7727
WPE 5 2012 14700

References

  • R651 - U.S. Fish and Wildlife Service. 2001. Waterfowl Population Status, 2001. US Department of the Interior,Washington, D.C. 50pp.
  • R656 - U.S. Fish and Wildlife Service. 2005. Waterfowl Population Status, 2005. US Department of the Interior,Washington, D.C. http://www.fws.gov/migratorybirds/reports/status05/final_status_05.pdf
  • R671 - USFWS and CWS. 1992. 1992 status of waterfowl and fall flight forecast. Usfws Migratory Bird Management Office.
  • R327 - Hyslop, C. and Kennedy, J.A. (eds.). 1996. Bird Trends, No. 5. Can. Wildl. Serv. Headquarters.
  • R712 - Wyndham, M. and Dickson, K.M. 1996. Status of Migratory Game Birds in Canada - November 1, 1996. Can. Wildl. Serv. Unpubl. Rep.

Notes




Copyright Wetlands International 2012

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