Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Branta canadensis Nom courant Canada Goose
Nom population minima Cackling
Aire de reproduction Yukon-Kuskokwim Delta, Alaska Aire de non-reproduction W Oregon, W Washington
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes Included in newly recognised Branta hutchinsii by AOU. (WPE4)

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 104,600 104,600 No quality assessment [R671]
WPE 2 0 0 146,400 146,400 No quality assessment [R657]
WPE 3 0 0 136,000 136,000 No quality assessment [R651]
WPE 4 0 0 156,900 156,900 No quality assessment [R656]
WPE 5 2011 2011 158,000 202,000 Expert opinion [R1180]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 INC No quality assessment [R671]
WPE 2 1986 1996 INC No quality assessment [R657]
WPE 3 1991 2001 INC No quality assessment [R651]
WPE 4 1991 2001 INC No quality assessment [R651]
WPE 5 2002 2011 INC No quality assessment [R1180]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 1000
WPE 2 1997 1500
WPE 3 2002 1400
WPE 4 2006 1600
WPE 5 2012 1800

References

  • R671 - USFWS and CWS. 1992. 1992 status of waterfowl and fall flight forecast. Usfws Migratory Bird Management Office.
  • R657 - U.S. Fish and Wildlife Service and Canadian Wildlife Service. 1996. Waterfowl Population Status 1996. USFWS, Washington DC.
  • 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
  • R1180 - U.S. Fish and Wildlife Service. 2011d. Waterfowl population status, 2011. U.S. Department of the Interior, Washington, D.C. USA.
  • R1534 - U.S. Fish and Wildlife Service. 2014. Waterfowl population status, 2014. U.S. Department of the Interior, Washington, D.C. USA.

Notes




Copyright Wetlands International 2012

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