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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 Balcarce

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: 553571
  Adult

Balcarce
Buenos Aires
Argentina
09/23/2023
José Luis Ianiro
Foto
Photography ID: 486355
  Adult

Balcarce
Buenos Aires
Argentina
03/18/2022
Victoria Herrera
Foto
Photography ID: 352838
♂ ♀
  Adult

Balcarce
Buenos Aires
Argentina
11/15/2015
Pablo Adrián Otero
Foto
Photography ID: 78632
 
Balcarce
Buenos Aires
Argentina
01/13/2011
Mateo Alberto Gual



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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
231232420/06/2025ArgentinaBuenos AiresCno. Prov. 008, Balcarce2Gabriel Carbajales
196340603/02/2024ArgentinaBuenos AiresBalcarceSantiago Juan Torres
190183723/09/2023ArgentinaBuenos AiresReserva Natural Privada "el Retoño", Balcarce8José Luis Ianiro
156115019/03/2022ArgentinaBuenos AiresReserva Fundación Juan Manuel Fangio, Balcarce6Victoria Herrera
156113118/03/2022ArgentinaBuenos AiresReserva Fundación Juan Manuel Fangio, Balcarce8Victoria Herrera
156111917/03/2022ArgentinaBuenos AiresPlaza Libertad, Balcarce6Victoria Herrera
133987028/12/2020ArgentinaBuenos AiresEntre Napaleofu y Balcarce, BalcarceVictor Hugo Michelini
62129021/09/2017ArgentinaBuenos AiresCamino a San Agustín, Balcarce2Carlos Enrique Alvarez
57780528/05/2017ArgentinaBuenos AiresSierra La Barrosa, BalcarceSantiago Juan Torres
47980722/09/2016ArgentinaBuenos AiresBalcarceSantiago Juan Torres
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 10/03/2026.