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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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Records from Claromecó

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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Species photographs

Last published photographs

Foto
Photography ID: 440542
  Adult

Claromecó
Buenos Aires
Argentina
04/11/2021
Susana Gomez
Foto
Photography ID: 74748
  Adult

Claromecó
Buenos Aires
Argentina
01/02/2015
Horacio Marin



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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
231819626/02/2025ArgentinaBuenos AiresDunamar, Claromecó4Mauro Desch
231828025/02/2025ArgentinaBuenos AiresEstación Forestal Ingeniero Paolucci (vivero de Claromecó), Claromecó5Mauro Desch
139322011/04/2021ArgentinaBuenos AiresCalle rural Claromecó, ClaromecóSusana Gomez
69961610/02/2018ArgentinaBuenos AiresCiudad, Claromecó2Carlos Enrique Alvarez
62793116/10/2017ArgentinaBuenos AiresEstación Forestal Ingeniero Paolucci (vivero de Claromecó), ClaromecóAdriana Bellotti
62787315/10/2017ArgentinaBuenos AiresArroyo Claromecó, ClaromecóAdriana Bellotti
21741502/01/2015ArgentinaBuenos AiresClaromecóHoracio Marin
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 16/09/2026.