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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 Islas del Ibicuy

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
238467908/11/2025ArgentinaEntre RíosCeibas--Ea. Campo Bajo (AICA ER07), Islas del Ibicuy4Gabriel Carbajales
215997526/09/2024ArgentinaEntre RíosCeibas--Ea. Campo Bajo (AICA ER07), Islas del Ibicuy2Gabriel Carbajales
215420518/09/2024ArgentinaEntre RíosMedanos, Islas del Ibicuy2Gabriel Carbajales
215391216/09/2024ArgentinaEntre RíosMedanos, Islas del Ibicuy5Gabriel Carbajales
199091816/02/2024ArgentinaEntre RíosCeibas--humedales, Islas del Ibicuy2Naré Berduc
206100522/10/2023ArgentinaEntre RíosHumedales Ceibas, Islas del Ibicuy2Lautaro Pereira
175651122/04/2023ArgentinaEntre RíosEstancia la azotea, Islas del Ibicuy6Gabriel Carbajales
175300925/03/2023ArgentinaEntre RíosCeibas--Ea. Campo Bajo (AICA ER07), Islas del Ibicuy20Gabriel Carbajales
173966324/03/2023ArgentinaEntre RíosMedanos, Islas del Ibicuy3Pablo Bruni
173440403/03/2023ArgentinaEntre RíosCeibas--Ea. Campo Bajo (AICA ER07), Islas del Ibicuy5Gabriel Carbajales
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.