Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Branta hutchinsii Nom courant Cackling Goose
Nom population hutchinsii/parvipes Western Tall Grass Prairie
Aire de reproduction Victoria Island & Queen Maud Gulf S to N Alberta Aire de non-reproduction SE Colorado, NE New Mexico & adjacent Oklahoma & Texas
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes The American Ornithologists' Union (and British Ornithologists' Union) have accepted the separation of canadensis and hutchinsii as different species, 'Canada Goose' and 'Cackling Goose'. This population ncluded in newly recognised Branta hutchinsii by AOU.

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 0 620,200 620,200 No quality assessment [R671]
WPE 3 0 0 164,000 164,000 No quality assessment [R651]
WPE 4 0 0 164,000 164,000 No quality assessment [R651]
WPE 2 0 0 528,300 528,300 No quality assessment [R657]
WPE 5 2011 2011 128,000 322,000 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 3 1992 2001 DEC No quality assessment [R651]
WPE 4 1992 2001 DEC No quality assessment [R651]
WPE 2 0 0 Unknown No quality assessment
WPE 5 2002 2011 INC No quality assessment [R1180]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 6200
WPE 3 2002 1600
WPE 4 2006 1600
WPE 2 1997 5300
WPE 5 2012 2000

References

  • R671 - USFWS and CWS. 1992. 1992 status of waterfowl and fall flight forecast. Usfws Migratory Bird Management Office.
  • R651 - U.S. Fish and Wildlife Service. 2001. Waterfowl Population Status, 2001. US Department of the Interior,Washington, D.C. 50pp.
  • R657 - U.S. Fish and Wildlife Service and Canadian Wildlife Service. 1996. Waterfowl Population Status 1996. USFWS, Washington DC.
  • R1180 - U.S. Fish and Wildlife Service. 2011d. Waterfowl population status, 2011. 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