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Wattled Jacana

Jacana jacana
(Linnaeus, C, 1766)
Jacana
Jaçanã

Family: Jacanidae
Order: Charadriiformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Records from Gualeguaychú

Conservation status according to BirdLife International: Least Concern

Description: It is a medium-sized waterbird, easily recognized by its extremely long toes and claws, an adaptation that allows it to walk on floating vegetation. The plumage features chestnut wings and back, a black neck and breast, and a bright yellow frontal shield extending onto the forehead. The bill is straight and yellowish, and the legs are greenish. Both sexes look similar, although females are usually larger.

Geographic distribution: It is widely distributed throughout tropical and subtropical America, from southern Mexico and Central America to much of South America, including the Amazon basin and parts of Argentina, Paraguay, Uruguay, and Brazil. Its range is closely tied to wetlands rich in floating vegetation.

Habitat: It inhabits lagoons, marshes, swamps, flooded grasslands, rice fields, and shallow freshwater bodies, particularly those with floating plants such as water lilies and other macrophytes. It occurs in both natural and human-modified wetlands.

Feeding: The species has an omnivorous diet, feeding mainly on insects, other aquatic invertebrates, seeds, and plant material. It forages by walking across floating vegetation and picking prey from the water surface or plant stems.

Behavior: It is a territorial and active species, well known for its unusual breeding system. Females defend territories that may include several males, while males perform most of the incubation and chick-rearing. Vocalizations are sharp and frequent, especially during territorial disputes.

Nesting: Breeding is characterized by polyandry, with one female mating with multiple males. The nest is a floating platform of vegetation, anchored to aquatic plants. Each male incubates his clutch and cares for the chicks, which leave the nest shortly after hatching.

Conservation status: It is classified as Least Concern, owing to its wide distribution and stable populations. However, wetland degradation and pollution may cause localized impacts.


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





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Last published photographs

Foto
Photography ID: 563785
  Adult

Gualeguaychú
Entre Ríos
Argentina
01/07/2024
Gustavo Puente
Foto
Photography ID: 527384
  Juvenile

Gualeguaychú
Entre Ríos
Argentina
03/03/2023
Gustavo Puente
Foto
Photography ID: 480233
 
Gualeguaychú
Entre Ríos
Argentina
01/24/2022
Gustavo Puente
Foto
Photography ID: 413843
  Juvenile

Gualeguaychú
Entre Ríos
Argentina
08/06/2019
Mario Daniel Piccini
Foto
Photography ID: 413361
  Adult

Gualeguaychú
Entre Ríos
Argentina
05/16/2019
Mario Daniel Piccini
Foto
Photography ID: 371705
  Adult

Gualeguaychú
Entre Ríos
Argentina
01/04/2020
Gustavo Puente
Foto
Photography ID: 324634
 
Gualeguaychú
Entre Ríos
Argentina
03/30/2019
Gustavo Puente
Foto
Photography ID: 324633
  Juvenile

Gualeguaychú
Entre Ríos
Argentina
03/30/2019
Gustavo Puente
Foto
Photography ID: 324630
  Adult

Gualeguaychú
Entre Ríos
Argentina
03/30/2019
Gustavo Puente
Foto
Photography ID: 294332
  Adult

Gualeguaychú
Entre Ríos
Argentina
10/25/2018
Rodolfo Julio Velazquez
Foto
Photography ID: 294331
  Adult

Gualeguaychú
Entre Ríos
Argentina
10/25/2018
Rodolfo Julio Velazquez
Foto
Photography ID: 290826
  Adult

Gualeguaychú
Entre Ríos
Argentina
10/06/2018
Gustavo Puente



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
238563512/11/2025ArgentinaEntre RíosRuta Provincial 42, Gualeguaychú1Susana Gomez
230551517/01/2025ArgentinaEntre RíosTermas del Guaychú, Gualeguaychú2Eugenia Boggiano
194127907/01/2024ArgentinaEntre RíosCamino a Ñandubaysal, GualeguaychúGustavo Puente
173982425/03/2023ArgentinaEntre RíosCamino arroyo Ñancay, Gualeguaychú1Pablo Bruni
173235903/03/2023ArgentinaEntre RíosZona sur Gualeguaychú, GualeguaychúGustavo Puente
153842224/01/2022ArgentinaEntre RíosParque Unzué, GualeguaychúGustavo Puente
198569204/01/2021ArgentinaEntre Ríosperdices, GualeguaychúNaré Berduc
115867304/01/2020ArgentinaEntre RíosZona humedales de la Península, GualeguaychúGustavo Puente
129673906/08/2019ArgentinaEntre RíosGualeguaychúMario Daniel Piccini
92921502/06/2019ArgentinaEntre RíosRuta Provincial 42, Gualeguaychú4Mauricio Secchi
Page 1

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Citation recommended:

EcoRegistros. 2026. Wattled Jacana (Jacana jacana) - Species sheet. Acceded from https://www.ecoregistros.org on 26/03/2026.