Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Mareca sibilatrix Nom courant Chiloe Wigeon
Nom population S South America
Aire de reproduction S South America S of Central Chile, Argentina Aire de non-reproduction S South America N to Paraguay, S Brazil
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Neotropics
Notes In WPE2 this population belonged to one single population (Southern South America).

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 1993 1993 100,000 1,000,000 No quality assessment [R119]
WPE 4 1993 1993 100,000 1,000,000 No quality assessment [R119]
WPE 5 1993 1993 100,000 1,000,000 No quality assessment [R119]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1982 1992 STA No quality assessment [R119]
WPE 4 1982 1992 STA No quality assessment [R119]
WPE 5 1982 1992 STA No quality assessment [R119]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 10000
WPE 4 2006 10000
WPE 5 2012 10000

References

  • R119 - Canevari, P. (pers. comm.). 1993. Unpublished information from Neotropical Wetlands Program.

Notes




Copyright Wetlands International 2012

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