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White-faced Whistling Duck

Dendrocygna viduata
(Linnaeus, C, 1766)
Sirirí Pampa
Irerê

Family: Anatidae
Order: Anseriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Records from Villa Cacique

Conservation status according to BirdLife International: Least Concern

Other common names: Pato Silbón, Pato Viuda.

Synonyms: Anas viduata.


Description: It is a medium-sized duck, easily recognized by its strongly contrasting plumage and upright posture. The head is white with a distinctive black patch on the nape, giving the appearance of a “veil,” which is a key identifying feature. The neck and breast are chestnut, the back dark brown, and the flanks finely barred. The legs are relatively long and grayish, adapted for both swimming and walking.

Geographic distribution: It has a wide pantropical distribution, occurring throughout much of South America, sub-Saharan Africa, and parts of the Caribbean. In South America, it ranges from the northern regions south to central and northeastern Argentina, including Paraguay, Uruguay, Bolivia, and Brazil.

Habitat: It inhabits freshwater wetlands, such as lagoons, marshes, swamps, rice fields, river margins, and reservoirs. It prefers open areas with emergent vegetation and shows good tolerance of human-altered landscapes.

Feeding: Its diet is mainly herbivorous, consisting of seeds, grains, shoots, and green parts of aquatic and terrestrial plants. Small invertebrates are occasionally consumed, especially during the breeding season, providing additional protein.

Behavior: It is a highly social and vocal species, well known for its clear, whistling calls, particularly during flight or social interactions. It is often seen in large flocks and is active both during the day and at night. Unlike many ducks, it frequently forages on land.

Nesting: Nesting usually takes place in dense vegetation near water, where a simple nest made of plant material is built. The clutch generally includes 6 to 12 eggs, incubated by both parents, who also share care of the precocial chicks.

Conservation status: It is classified as Least Concern, with large and stable populations across most of its range. Nevertheless, wetland degradation may cause local declines.


Author of this compilation: EcoRegistros – 22/12/2025

 See related literature





🌿 EcoRegistros Revista - Related Articles


📖 Issue Nº 5 • Article Nº 3
✍ Julián Tocce
06/15/2015 21:52



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Last published photographs

Foto
Photography ID: 121096
  Adult

Villa Cacique
Buenos Aires
Argentina
10/21/2015
Adriana Bellotti
Foto
Photography ID: 99796
  Adult

Villa Cacique
Buenos Aires
Argentina
05/24/2015
Adriana Bellotti
Foto
Photography ID: 56269
  Adult

Villa Cacique
Buenos Aires
Argentina
07/15/2014
Adriana Bellotti



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
134884409/01/2021ArgentinaBuenos AiresVilla Cacique32Adriana Bellotti
121371702/03/2020ArgentinaBuenos AiresComplejo deportivo Loma Negra, Villa CaciqueAdriana Bellotti
63950512/11/2017ArgentinaBuenos AiresCamino del 108, Villa Cacique3Adriana Bellotti
35062221/10/2015ArgentinaBuenos AiresClub Loma Negra, Villa CaciqueAdriana Bellotti
28804124/05/2015ArgentinaBuenos AiresVilla CaciqueAdriana Bellotti
16721108/08/2014ArgentinaBuenos AiresVilla CaciqueAdriana Bellotti
16013415/07/2014ArgentinaBuenos AiresVilla CaciqueAdriana Bellotti
Page 1

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Bibliography related


Artículo Lucero, F. y J. C. Chebez. 2011. Nuevas citas y ampliación de la distribución de algunas aves en las provincias de San Juan, Mendoza y La Rioja. Nótulas Faunísticas N° 71. Fundación Félix de Azara.

Artículo Martinez, F., F. Lucero, R. Calí, D. Valdéz, D. Ferrer y J. C. Chebez. 2009. Registros novedosos de aves para las provincias de Mendoza y San Juan. Nótulas Faunísticas N° 35. Fundación Félix de Azara.



Citation recommended:

EcoRegistros. 2026. White-faced Whistling Duck (Dendrocygna viduata) - Species sheet. Acceded from https://www.ecoregistros.org on 22/03/2026.