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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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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: 34910
  Adult

City Bell
Buenos Aires
Argentina
01/17/2014
José Luis Lamela
Foto
Photography ID: 19840
  Adult

Perdices
Entre Ríos
Argentina
09/01/2012
José Luis Lamela
Foto
Photography ID: 17132
  Adult

Ensenada
Buenos Aires
Argentina
11/24/2012
José Luis Lamela
Foto
Photography ID: 16972
  Adult

City Bell
Buenos Aires
Argentina
10/18/2010
José Luis Lamela



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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
12546715/03/2014ArgentinaBuenos AiresArroyo Zapata, MagdalenaJosé Luis Lamela
12352009/03/2014ArgentinaBuenos AiresSector San Juan, Parque Pereyra IraolaJosé Luis Lamela
11827401/03/2014ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)José Luis Lamela
11644322/02/2014ArgentinaBuenos AiresIgnacio CorreasJosé Luis Lamela
11385715/02/2014ArgentinaBuenos AiresSector El Coronillo, Reserva Natural Punta LaraJosé Luis Lamela
10978808/02/2014ArgentinaBuenos AiresParque Ecológico Municipal de Villa Elisa, Villa ElisaJosé Luis Lamela
10005118/01/2014ArgentinaBuenos AiresLaguna de los Patos, EnsenadaJosé Luis Lamela
10009417/01/2014ArgentinaBuenos AiresCity BellJosé Luis Lamela
9602712/01/2014ArgentinaBuenos AiresSector San Juan, Parque Pereyra IraolaJosé Luis Lamela
8575801/01/2014ArgentinaBuenos AiresCity BellJosé Luis Lamela
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 06/04/2026.