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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 Chajarí

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: 123308
  Adult

Chajarí
Entre Ríos
Argentina
10/10/2015
Walter Bustamante



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Pablo Bruni12/26/2022ArgentinaEntre RíosReserva mocoretaChajaríN/AN/AYesNo



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Last Filmings published


Video ID: 463
  Adult

Chajarí
Entre Ríos
Argentina
12/06/2013
Carlos M. Grassini
Video ID: 333
  Adult

Chajarí
Entre Ríos
Argentina
04/28/2013
Carlos M. Grassini
Video ID: 274
  Adult

Chajarí
Entre Ríos
Argentina
03/17/2013
Carlos M. Grassini



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
244674913/03/2026ArgentinaEntre RíosZona norte, Chajarí1Pablo Bruni
237664019/10/2025ArgentinaEntre RíosZona San Pedro, Chajarí2Pablo Bruni
232363220/07/2025ArgentinaEntre RíosZona San Pedro, Chajarí2Pablo Bruni
221922422/12/2024ArgentinaEntre RíosZona San Pedro, Chajarí2Pablo Bruni
219790017/11/2024ArgentinaEntre RíosZona San Pedro, Chajarí1Pablo Bruni
215662722/09/2024ArgentinaEntre RíosCamping Chajarí, Chajarí2Pablo Bruni
213740625/08/2024ArgentinaEntre RíosChajarí2Pablo Bruni
202509421/04/2024ArgentinaEntre RíosComplejo Termal Chajarí y alrededores, Chajarí2Pablo Bruni
200557825/02/2024ArgentinaEntre RíosZona norte, Chajarí2Pablo Bruni
200555424/02/2024ArgentinaEntre RíosZona San Pedro, Chajarí2Pablo Bruni
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 17/03/2026.