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Stilpnia preciosa

Chestnut-backed Tanager


Stilpnia preciosa

(Cabanis, JL, 1851)
Saíra Castaña
Saíra-preciosa

Family: Thraupidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Synonyms: Stilpnia preciosa, C[allispiza] preciosa, Tangara preciosa.





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Conservation status according to BirdLife International: Least Concern


Description


It is a small to medium-sized tanager notable for its striking and contrasting plumage, featuring a particularly eye-catching color combination within its group. The male shows bright turquoise, greenish, and bluish tones, with darker areas enhancing the brilliance of its feathers under good lighting. The female, by contrast, has a more subdued appearance, dominated by olive greens and muted tones, allowing it to blend into the vegetation. The bill is short and relatively strong, suitable for a varied diet.

Geographic distribution: It occurs in southern Brazil, Paraguay, Uruguay, and northern Argentina, mainly in subtropical and temperate regions of eastern South America. Its presence may vary seasonally, with more frequent records in certain times of the year, particularly toward the southern edge of its range.

Habitat: This species inhabits gallery forests, humid woodlands, secondary growth, and forest edges, showing some tolerance to modified environments as long as tree cover is maintained. It is often associated with areas near watercourses and can also be found in parks and wooded gardens, where food and shelter are available.

Diet: Its diet is primarily frugivorous, feeding on small fruits and berries, making it an important seed disperser. It also consumes insects and other invertebrates, especially during the breeding season when protein needs increase.

Behavior: It is usually seen in pairs or small groups, often joining mixed-species flocks. It is active and moves agilely through the mid to upper levels of vegetation while foraging. Although it can be somewhat inconspicuous, its bright coloration becomes evident when exposed to light. It emits soft, high-pitched calls used for communication.

Nesting: It builds a cup-shaped nest made of plant fibers, placed on sheltered branches within vegetation. The female is mainly responsible for incubation, while the male may assist with feeding. Clutch size is usually small, and parental care continues until the young become independent.
Conservation status: It is not considered globally threatened, but depends on the conservation of forested and wooded habitats. Habitat loss and fragmentation may affect local populations.

Movements: In part of its range, especially in the southern regions, it shows migratory or seasonal movements, with records suggesting movements toward more southern areas during winter, indicating some flexibility in its spatial use throughout the year.


Author of this compilation: EcoRegistros – 04/10/2026

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Geographic distribution


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Species photographs

Count: 157

Foto
Photography ID: 675719
  Adult

Parque Nacional El Palmar
Entre Ríos
Argentina
01/14/2026
Elsa Longo
Foto
Photography ID: 656592
  Immature

Parque Nacional El Palmar
Entre Ríos
Argentina
09/25/2025
Santos Di Mauro
Foto
Photography ID: 656591
  Immature

Parque Nacional El Palmar
Entre Ríos
Argentina
09/25/2025
Claudia Mora
Foto
Photography ID: 655836
  Adult

Tacuarembó
Tacuarembo
Uruguay
10/04/2025
Gabriel Carbajales
Foto
Photography ID: 649622
  Adult

Reserva Natural Mainumby
Misiones
Argentina
08/24/2025
Diego Oscar
Foto
Photography ID: 647016
  Adult

Paso Centurión
Cerro Largo
Uruguay
04/19/2025
Adrian Antunez
Foto
Photography ID: 640048
  Adult

Parque Nacional El Palmar
Entre Ríos
Argentina
09/19/2024
Gustavo Marasco



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Species vocalizations

Count: 2


Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Pablo Meoniz08/07/2016ArgentinaEntre RíosParque Nacional El Palmar♂ ♀AdultYesNo
 DownloadJorge La Grotteria08/19/2012ArgentinaMisionesParque Provincial Cruce CaballeroAdultYesNo


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Species videos

Count: 2




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Species reports



 Detail of places sorted by number of records






Species records

Count: 275



Page 1 of 28
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
247551624/05/2026ArgentinaMisionesParque Provincial Cruce Caballero1Pablo Bruni
247454924/05/2026ArgentinaMisionesParque Provincial Cruce Caballero1Faustino Hollmann
245906012/04/2026UruguayTacuaremboEstablecimiento Bichadero, Tacuarembó2Gabriel Carbajales
245891311/04/2026UruguayTacuaremboEstablecimiento Bichadero, Tacuarembó3Gabriel Carbajales
245128023/03/2026ArgentinaBuenos AiresCamino E/ Saavedra y Monte de Lenny1Luis Cesar Tejo
245105523/03/2026ArgentinaBuenos AiresCamino E/ Saavedra y Monte de Lenny1Daniela Espinosa
245072623/03/2026ArgentinaBuenos AiresCamino E/ Saavedra y Monte de Lenny1Diego Oscar
243995514/01/2026ArgentinaEntre RíosParque Nacional El PalmarElsa Longo
237860311/10/2025ArgentinaEntre RíosParque Nacional El Palmar4Faustino Hollmann
237156604/10/2025UruguayTacuaremboEstablecimiento Bichadero, Cuchilla de Laureles, Tacuarembó3Gabriel Carbajales
Page 1 of 28

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Related bibliography


Artículo Oscar, D. 2011. Presencia de Tangara preciosa en el PN el Palmar de Colon. <http://www.losquesevan.com/presencia-de-tangara-preciosa-en-el-pn-el-palmar-de-colon.768c> accedida el 16/01/2011.



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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Chestnut-backed Tanager (Stilpnia preciosa) – Species account. Accessed from www.ecoregistros.org on 23/09/2026.