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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 Argentina

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

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Species photographs

Last published photographs

Foto
Photography ID: 562947
  Adult

Parque Costero del Sur
Buenos Aires
Argentina
01/01/2024
Diego Oscar
Foto
Photography ID: 472501
  Adult

Ceibas
Entre Ríos
Argentina
11/20/2021
Diego Oscar
Foto
Photography ID: 452166
  Adult

Punta Indio
Buenos Aires
Argentina
06/27/2021
Diego Oscar
Foto
Photography ID: 75634
  Adult

Villa Ventana
Buenos Aires
Argentina
01/03/2015
Diego Oscar
Foto
Photography ID: 62807
  Adult

Parque Costero del Sur
Buenos Aires
Argentina
09/21/2014
Diego Oscar
Foto
Photography ID: 57570
  Adult

Parque Costero del Sur
Buenos Aires
Argentina
07/26/2014
Diego Oscar
Foto
Photography ID: 57340
  Adult

Parque Costero del Sur
Buenos Aires
Argentina
07/26/2014
Diego Oscar
Foto
Photography ID: 50587
  Adult

Ceibas
Entre Ríos
Argentina
05/03/2014
Diego Oscar
Foto
Photography ID: 14186
  Adult

Ceibas
Entre Ríos
Argentina
06/30/2012
Diego Oscar
Foto
Photography ID: 14093
  Adult

Ceibas
Entre Ríos
Argentina
06/30/2012
Diego Oscar
Foto
Photography ID: 6880
  Adult

Ceibas
Entre Ríos
Argentina
05/15/2011
Diego Oscar



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Species vocalizations

Last vocalizations published


IDAudio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
ER-3143Diego Oscar05/15/2021ArgentinaBuenos AiresReserva Natural del PilarIndistinguishableAdultYesNo



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Species videos

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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
254305308/10/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)5Diego Oscar
253712528/09/2026ArgentinaEntre RíosCeibas20Diego Oscar
253245520/09/2026ArgentinaMisionesReserva Natural MainumbyDiego Oscar
253239520/09/2026ArgentinaMisionesCamino a Karadya Birding Lodge and Reserve, Andresito1Diego Oscar
252929317/09/2026ArgentinaCorrientesGobernador VirasoroDiego Oscar
252825114/09/2026ArgentinaCorrientesRuta 40 entre Rincòn del Socorro y Carlos Pellegrini, Parque Nacional IberáDiego Oscar
252702213/09/2026ArgentinaCorrientesColonia Carlos Pellegrini7Diego Oscar
252698013/09/2026ArgentinaCorrientesNavegacion Rio Corrientes, Esteros del Iberá3Diego Oscar
252692613/09/2026ArgentinaCorrientesCambá Trapo4Diego Oscar
252715412/09/2026ArgentinaCorrientesRuta 40 entre Colonia Carlos Peregrini y Rincon del Socorro, Parque Nacional Iberá4Diego Oscar
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 09/10/2026.