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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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Latest feeding records
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Last published photographs

Foto
Photography ID: 357219
  Adult

Carlos Keen
Buenos Aires
Argentina
09/28/2019
Román Montero
Foto
Photography ID: 167183
  Adult

El Palomar
Buenos Aires
Argentina
09/11/2016
Román Montero
Foto
Photography ID: 161782
  Adult

Parque Nacional Iguazú
Misiones
Argentina
07/27/2016
Román Montero
Foto
Photography ID: 128434
  Adult

Colón
Entre Ríos
Argentina
12/07/2015
Román Montero
Foto
Photography ID: 128319
  Adult

Colón
Entre Ríos
Argentina
12/08/2015
Román Montero
Foto
Photography ID: 126806
  Adult

Castelar
Buenos Aires
Argentina
11/27/2015
Román Montero
Foto
Photography ID: 124241
♂ ♀
  Adult

Plomer
Buenos Aires
Argentina
11/07/2015
Román Montero
Foto
Photography ID: 121251
  Adult

Castelar
Buenos Aires
Argentina
10/22/2015
Román Montero
Foto
Photography ID: 114818
  Adult

Castelar
Buenos Aires
Argentina
08/29/2015
Román Montero
Foto
Photography ID: 105937
  Adult

Ituzaingó
Buenos Aires
Argentina
07/14/2015
Román Montero



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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
242281319/01/2026ArgentinaBuenos AiresLas ToninasRomán Montero
163460904/09/2022ArgentinaBuenos AiresMuseo Ferroviario, HaedoRomán Montero
151530913/12/2021ArgentinaBuenos AiresPlaza Cumelén (plaza del Vagón), CastelarRomán Montero
137839207/03/2021ArgentinaBuenos AiresCastelarRomán Montero
133707026/12/2020ArgentinaBuenos AiresCastelar3Román Montero
118116524/01/2020ArgentinaChubutTrelewRomán Montero
117867111/01/2020ArgentinaBuenos AiresAzulRomán Montero
115370224/12/2019ArgentinaBuenos AiresPlomerRomán Montero
115074421/12/2019ArgentinaBuenos AiresCeamse - Complejo Ambiental Norte iiiRomán Montero
114906315/12/2019ArgentinaBuenos AiresParque Plaza Montero, Las FloresRomán Montero
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.