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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 Santurce, San Cristóbal

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: 452890
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
07/03/2021
Pablo Capovilla
Foto
Photography ID: 417732
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
11/02/2020
Pablo Capovilla
Foto
Photography ID: 370444
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
12/29/2019
Andrés Cecconi
Foto
Photography ID: 321310
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
03/10/2019
Pablo Capovilla
Foto
Photography ID: 279284
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
07/29/2018
Pablo Capovilla
Foto
Photography ID: 163617
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
08/21/2016
Pablo Capovilla
Foto
Photography ID: 94581
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
04/15/2015
Pablo Capovilla
Foto
Photography ID: 77305
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
01/16/2015
Pablo Capovilla
Foto
Photography ID: 41861
  Adult

Santurce, San Cristóbal
Santa Fe
Argentina
03/04/2014
Pablo Capovilla



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Last Vocalizations published




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Last Filmings published




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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
193726301/01/2024ArgentinaSanta FePueblo y caminos cercanos, Santurce, San Cristóbal2Pablo Capovilla
154947619/02/2022ArgentinaSanta FeEstablecimiento Tierra Buena, Santurce, San Cristóbal5Pablo Capovilla
142406903/07/2021ArgentinaSanta FePueblo y caminos cercanos, Santurce, San CristóbalPablo Capovilla
130758602/11/2020ArgentinaSanta FePueblo y caminos cercanos, Santurce, San CristóbalPablo Capovilla
116408102/01/2020ArgentinaSanta FeEstablecimiento Tierra Buena, Santurce, San CristóbalPablo Capovilla
115503929/12/2019ArgentinaSanta FeSanturce, San CristóbalAndrés Cecconi
114706808/12/2019ArgentinaSanta FePueblo y caminos cercanos, Santurce, San CristóbalPablo Capovilla
114771907/12/2019ArgentinaSanta FeEstablecimiento Tierra Buena, Santurce, San CristóbalPablo Capovilla
113230116/11/2019ArgentinaSanta FeEstablecimiento Tierra Buena, Santurce, San CristóbalPablo Capovilla
123145422/09/2019ArgentinaSanta FeSanturce, San Cristóbal20Leila Lodi
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 05/04/2026.