Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anser albifrons Nom courant Greater White-fronted Goose
Nom population elgasi
Aire de reproduction S Alaska Aire de non-reproduction California (Sacramento Valley)
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes Population added in WPE3. Recently described; recognised by AOU (1998) and Clements (2000).

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 3 0 0 -1 -1 No quality assessment
WPE 4 0 0 -1 -1 No quality assessment
WPE 5 2006 2007 5,000 10,000 Expert opinion [R1162]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 0 0 Unknown No quality assessment
WPE 4 0 0 Unknown No quality assessment
WPE 5 0 0 Unknown No idea [R1162]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 -1 -1 Not Set
WPE 4 -1 -1 Not Set
WPE 5 2012 70

References

  • R1162 - Shuford, W. D., and Gardali, T., (eds). 2008. California Bird Species of Special Concern: A ranked assessment of species, subspecies, and distinct populations of birds of immediate conservation concern in California. Studies of Western Birds 1. Western Field Ornithologists, Camarillo, California, and California Department of Fish and Game, Sacramento.

Notes




Copyright Wetlands International 2012

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