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Furnarius rufus

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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Other common names: Alonsito, Caserito.

Synonyms: Merops rufus.

Subspecies:





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Conservation status according to BirdLife International: Least Concern


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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Geographic distribution


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Latest feeding records





Species photographs

Last published photographs

Foto
Photography ID: 694379
  Adult

Mar Chiquita
Buenos Aires
Argentina
10/11/2025
José Luis Ianiro
Foto
Photography ID: 694064
  Adult

Mar Chiquita
Buenos Aires
Argentina
08/03/2025
José Luis Ianiro
Foto
Photography ID: 694029
  Adult

General Pueyrredón
Buenos Aires
Argentina
08/02/2025
José Luis Ianiro
Foto
Photography ID: 693877
  Adult

Mar del Plata
Buenos Aires
Argentina
07/06/2025
José Luis Ianiro
Foto
Photography ID: 689714
  Adult

Agustina
Buenos Aires
Argentina
06/20/2025
José Luis Ianiro
Foto
Photography ID: 646146
  Adult

Mar Chiquita
Buenos Aires
Argentina
05/29/2025
José Luis Ianiro
Foto
Photography ID: 646140
  Adult

Parque Lago
Buenos Aires
Argentina
05/18/2025
José Luis Ianiro
Foto
Photography ID: 645584
  Adult

Mar del Plata
Buenos Aires
Argentina
05/11/2025
José Luis Ianiro
Foto
Photography ID: 609828
  Adult

Mar del Plata
Buenos Aires
Argentina
08/29/2024
José Luis Ianiro
Foto
Photography ID: 596956
  Adult

General Pueyrredón
Buenos Aires
Argentina
02/02/2024
José Luis Ianiro
Foto
Photography ID: 553771
  Adult

Mar del Plata
Buenos Aires
Argentina
10/14/2023
José Luis Ianiro



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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
249266911/10/2025ArgentinaBuenos AiresCamino ingreso a la Albúfera Laguna Mar Chiquita, Mar ChiquitaJosé Luis Ianiro
249259911/10/2025ArgentinaBuenos AiresReserva Natural Privada Paititi, Partido de General PueyrredónJosé Luis Ianiro
249206103/08/2025ArgentinaBuenos AiresCamino ingreso a la Albúfera Laguna Mar Chiquita, Mar ChiquitaJosé Luis Ianiro
249200902/08/2025ArgentinaBuenos AiresLaguna de Punta Mogotes, General PueyrredónJosé Luis Ianiro
249160906/07/2025ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata16José Luis Ianiro
247751420/06/2025ArgentinaBuenos AiresParque Lago Mar de Cobo, AgustinaJosé Luis Ianiro
233194629/05/2025ArgentinaBuenos AiresAlbúfera de Mar Chiquita, Mar ChiquitaJosé Luis Ianiro
233194018/05/2025ArgentinaBuenos AiresParque LagoJosé Luis Ianiro
232895711/05/2025ArgentinaBuenos AiresMar del Plata, Mar del PlataJosé Luis Ianiro
232798301/05/2025ArgentinaBuenos AiresReserva Natural Paititi, Mar del Plata6José Luis Ianiro
Page 1

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Related bibliography


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.



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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Rufous Hornero (Furnarius rufus) – Species account. Accessed from www.ecoregistros.org on 18/09/2026.