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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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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
237955024/10/202513:01ArgentinaBuenos AiresHornero , Villa VentanaEduardo Cusano
237943723/10/202517:53ArgentinaBuenos AiresLas Piedras, Villa VentanaEduardo Cusano
237943423/10/202517:45ArgentinaBuenos AiresSiete Colores, Villa VentanaEduardo Cusano
237818320/10/202517:45ArgentinaBuenos AiresRuta Provincial 761Eduardo Cusano
236896129/09/202509:13ArgentinaCórdobaRuta Provincial 16 64, Córdoba1Eduardo Cusano
236875628/09/202515:05ArgentinaCórdobaCórdoba 590, San Marcos Sierras1Eduardo Cusano
236858827/09/202517:23ArgentinaCatamarcaRuta Nacional 157 1017-10191Eduardo Cusano
236237019/09/202518:11ArgentinaJujuyAlejandro Díaz 172, San Salvador de Jujuy2Eduardo Cusano
230831620/06/2025ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Eduardo Cusano
231208605/04/2025ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Eduardo Cusano
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 06/04/2026.