Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Spatula versicolor Nom courant Silver Teal
Nom population fretensis, S South America
Aire de reproduction C Chile, C Argentina S to Patagonia Aire de non-reproduction S of range deserted, migration N & E into Brazil
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Neotropics
Notes In WPE2 this population belonged to one single population (A.v. fretensis, S S.Am:N Arg-Falkland Islands (Malvinas)).

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 2001 2001 25,000 100,000 [R570]
WPE 4 2001 2001 25,000 100,000 [R570]
WPE 5 2001 2001 25,000 100,000 Best guess [R570]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1972 1992 STA [R214]
WPE 4 1972 1992 STA [R214]
WPE 5 1972 1992 STA [R214]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1000


  • R570 - Schlatter, R. (In litt.). 2002. Unpublished information on Southern South American waterbirds.
  • 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.


Copyright Wetlands International 2012

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