Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Branta canadensis Nom courant Canada Goose
Nom population taverneri/parvipes Taverner
Aire de reproduction Interior Alaska Aire de non-reproduction Washington to California
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes taverneri 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 70,000 70,000 No quality assessment [R214]
WPE 2 0 0 70,000 70,000 No quality assessment [R214]
WPE 3 0 0 272,000 272,000 No quality assessment [R651]
WPE 4 0 0 272,000 272,000 No quality assessment [R651]
WPE 5 2011 2011 27,400 67,600 Expert opinion [R1180]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 INC No quality assessment [R214]
WPE 2 1972 1992 INC No quality assessment [R214]
WPE 3 1992 2001 STA No quality assessment [R651]
WPE 4 1992 2001 STA No quality assessment [R651]
WPE 5 2002 2011 DEC No quality assessment [R1180]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 700
WPE 2 1997 700
WPE 3 2002 2700
WPE 4 2006 2700
WPE 5 2012 430

References

  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.
  • R651 - U.S. Fish and Wildlife Service. 2001. Waterfowl Population Status, 2001. US Department of the Interior,Washington, D.C. 50pp.
  • 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