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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

Last published photographs

Foto
Photography ID: 486102
  Adult

Parque Nacional El Palmar
Entre Ríos
Argentina
10/12/2014
Gabriel Carbajales
Foto
Photography ID: 311670
  Adult

Parque Nacional El Palmar
Entre Ríos
Argentina
08/02/2014
Andrea Casaburi
Foto
Photography ID: 63559
  Adult

Piriápolis
Maldonado
Uruguay
09/30/2014
Germán Gil
Foto
Photography ID: 59049
  Adult

Sierra "las Cañas"
Maldonado
Uruguay
07/21/2014
Daniela Lowe
Foto
Photography ID: 56604
  Adult

Termas de Arapey
Salto
Uruguay
07/19/2014
Pedro Rinaldi
Foto
Photography ID: 56434
  Adult

Punta del Este
Maldonado
Uruguay
07/19/2014
Adrian Antunez
Foto
Photography ID: 52931
  Adult

Barra de Maldonado
Maldonado
Uruguay
06/02/2014
Alvaro Pérez Tort
Foto
Photography ID: 52668
  Adult

Cerro Arequita
Lavalleja
Uruguay
01/26/2014
Gustavo Miguel Casás Ksiazenicki
Foto
Photography ID: 49417
  Adult

Rincon de Paiva
Cerro Largo
Uruguay
04/24/2014
Julio Cesar Castillo Yazauskas
Foto
Photography ID: 49370
  Adult

Paso Centurión
Cerro Largo
Uruguay
04/24/2014
Gonzalo Campaña
Foto
Photography ID: 47676
  Adult

Sarandi
Rocha
Uruguay
03/27/2014
Walter Liriel Gómez Umpierrez



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Species vocalizations

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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
155997612/10/2014ArgentinaEntre RíosParque Nacional El Palmar1Gabriel Carbajales
19133011/10/2014UruguayTacuaremboValle EdénMarcelo Gavensky
18188130/09/2014UruguayMaldonadoUtu de los Arrayanes, PiriápolisGermán Gil
16906817/08/2014ArgentinaEntre RíosParque Nacional El PalmarLuis Emilio Lorenzo
87171202/08/2014ArgentinaEntre RíosJardín de la Intendencia, Parque Nacional El PalmarAndrea Casaburi
16506428/07/2014ArgentinaMisionesParque Provincial Cruce CaballeroChristian Bisiau
16302925/07/2014ArgentinaMisionesReserva Privada San Sebastián de la SelvaTomas Nazareno Rodriguez Astorino
16290522/07/2014ArgentinaMisionesReserva Privada San Sebastián de la SelvaLautaro Rodríguez Astorino
16748421/07/2014UruguayMaldonadoSierra "las Cañas"Daniela Lowe
16126819/07/2014UruguaySaltoTermas de ArapeyPedro Rinaldi
Page 1

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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 22/09/2026.