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
Note:

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

References

  • 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 Unpublished information on Southern South American waterbirds.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.

Notes




Copyright Wetlands International 2012

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