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Rufous Hornero

Furnarius rufus
(Gmelin, JF, 1788)
Hornero
João-de-barro

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

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Records from Azul

Conservation status according to BirdLife International: Least Concern

Other common names: Alonsito, Caserito.

Synonyms: Merops rufus.

Subspecies:


Description: It is a medium-sized passerine bird, easily recognized by its predominantly rufous-brown plumage, slightly darker wings, and paler throat. The body is sturdy, with a short tail and a strong, straight bill well adapted for ground foraging. Its compact appearance and upright posture are especially noticeable when walking across open areas.

Geographic distribution: It is widely distributed across central and southern South America, including Argentina, Uruguay, Paraguay, Bolivia, southern Brazil, and parts of eastern Chile. The species is very common throughout much of its range, particularly in lowland temperate regions, where it remains present year-round.

Habitat: It inhabits a wide variety of open and semi-open environments, such as grasslands, savannas, agricultural fields, rural areas, and urban settings. It shows remarkable adaptability to human-altered landscapes and is frequently observed in gardens, parks, and near buildings.

Feeding: Its diet is mainly insectivorous, consisting of insects, larvae, spiders, and other small invertebrates collected while walking on the ground. Occasionally, it may consume small amounts of plant material. Foraging is active, often involving probing and turning over soil with the bill.

Behavior: It is a territorial and generally monogamous bird, usually seen alone or in pairs. The species is notably tolerant of human presence and is well known for its loud, repetitive song, which plays an important role in territorial defense and pair communication.

Nesting: It builds one of the most distinctive nests among South American birds: a mud structure shaped like an oven, with a lateral entrance leading to an inner chamber. Both members of the pair participate in nest construction, which is typically placed on posts, trees, buildings, or artificial structures. The usual clutch consists of 3 to 4 eggs, incubated by both adults.

Conservation status: It is classified as Least Concern, owing to its broad distribution, large population size, and high adaptability to human-modified environments.


Author of this compilation: EcoRegistros – 20/12/2025

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Last published photographs

Foto
Photography ID: 263135
  Adult

Azul
Buenos Aires
Argentina
05/01/2018
Diego Trillo
Foto
Photography ID: 172091
  Adult

Azul
Buenos Aires
Argentina
03/19/2016
Victoria Herrera
Foto
Photography ID: 66049
  Adult

Azul
Buenos Aires
Argentina
09/20/2014
Victoria Herrera



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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
216526005/10/2024ArgentinaBuenos AiresChacras, Azul4Victoria Herrera
211950221/07/2024ArgentinaBuenos AiresRuta 3, cercanias de Azul, Azul3Diego Varales
211947521/07/2024ArgentinaBuenos AiresParque Faustino Sarmiento, Azul2Diego Varales
197838827/01/2024ArgentinaBuenos AiresChacras, Azul4Victoria Herrera
197834013/01/2024ArgentinaBuenos AiresAzul4Victoria Herrera
176190806/05/2023ArgentinaBuenos AiresAvenida República de Italia 780, AzulSantiago Juan Torres
172324403/02/2023ArgentinaBuenos AiresAzul1Gabriel Carbajales
117867111/01/2020ArgentinaBuenos AiresAzulRomán Montero
75265001/05/2018ArgentinaBuenos AiresAzulDiego Trillo
69016401/02/2018ArgentinaBuenos AiresAlberdi 502-600, Azul2Sebastián Otero
Page 1

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Bibliography related


Artículo Heredia, J., R. Moller Jensen, C. Figuerero y J. La Grotteria. 2010. Cuatro Furnariidae ‘pescando’: Hornero (Furnarius rufus), Curutié Colorado (Certhiaxis cinnamomea), Remolinera Castaña (Cinclodes atacamensis) y Remolinera Chocolate (Cinclodes olrogi). Nuestras Aves, 55: 17-19.



Citation recommended:

EcoRegistros. 2026. Rufous Hornero (Furnarius rufus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/03/2026.