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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: 482418
  Adult

Avellaneda
Buenos Aires
Argentina
02/06/2022
Gustavo Ramos
Foto
Photography ID: 472935
  Adult

Concordia
Entre Ríos
Argentina
11/06/2021
Gustavo Ramos
Foto
Photography ID: 470862
  Adult

Quilmes
Buenos Aires
Argentina
10/03/2021
Gustavo Ramos
Foto
Photography ID: 460631
  Adult

Capital
Mendoza
Argentina
08/11/2021
Gustavo Ramos
Foto
Photography ID: 375022
  Adult

Dolores
Buenos Aires
Argentina
01/04/2020
Gustavo Ramos
Foto
Photography ID: 374719
  Adult

Mar del Plata
Buenos Aires
Argentina
01/01/2020
Gustavo Ramos
Foto
Photography ID: 373721
  Adult

Federación
Entre Ríos
Argentina
12/26/2019
Gustavo Ramos
Foto
Photography ID: 371617
♂ ♀
  Adult

Villa Ruiz
Buenos Aires
Argentina
12/21/2019
Gustavo Ramos
Foto
Photography ID: 352231
  Adult

Foz do Iguaçu
Paraná
Brazil
09/06/2019
Gustavo Ramos
Foto
Photography ID: 350647
  Adult

Foz do Iguaçu
Paraná
Brazil
09/03/2019
Gustavo Ramos
Foto
Photography ID: 345996
  Adult

Tigre
Buenos Aires
Argentina
01/12/2019
Gustavo Ramos



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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
155223321/02/2022ArgentinaBuenos AiresRuta 9 entre Ramallo y San NicolasGustavo Ramos
154702706/02/2022ArgentinaBuenos AiresEco Área Avellaneda, AvellanedaGustavo Ramos
150619706/11/2021ArgentinaEntre RíosCostanera, ConcordiaGustavo Ramos
149350203/10/2021ArgentinaBuenos AiresDon Bosco, QuilmesGustavo Ramos
145848611/08/2021ArgentinaMendozaPlaza España, CapitalGustavo Ramos
117068004/01/2020ArgentinaBuenos AiresParque Libres del Sur, DoloresGustavo Ramos
116982801/01/2020ArgentinaBuenos AiresSierra de los padres, Mar del PlataGustavo Ramos
116724526/12/2019ArgentinaEntre RíosAvenida del Lago hacia Federación Norte, FederaciónGustavo Ramos
115851921/12/2019ArgentinaBuenos AiresVilla RuizGustavo Ramos
102882106/09/2019BrazilParanáChocolateria, Foz do IguaçuGustavo Ramos
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 25/03/2026.