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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 Reserva Natural Bañados del Río Dulce y Laguna Mar Chiquita

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
210632709/07/2024ArgentinaCórdobaDesde la para a campo mare., Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHugo Caverzasi
197553219/10/2023ArgentinaCórdobaLaguna del Plata, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaJorgelina Lopez
190634319/10/2023ArgentinaCórdobaLaguna del Plata, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHernán Tolosa
182725317/09/2023ArgentinaCórdobaLoma de los indios, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHugo Caverzasi
182721817/09/2023ArgentinaCórdobaDesembocadura del xanaes u rio segundo, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHugo Caverzasi
189916821/08/2023ArgentinaCórdobaCostanera de Miramar, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaGuillermo Marcaida
189584421/08/2023ArgentinaCórdobaCostanera de Miramar, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaElsa Longo
178079320/06/2023ArgentinaCórdobaBahía Laguna de Plata, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHugo Caverzasi
172606001/02/2023ArgentinaCórdobaPlaya Grande, Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaMauro Carballo
169329627/12/2022ArgentinaCórdobaDesembocadura del rio xanaes o segundo., Reserva Natural Bañados del Río Dulce y Laguna Mar ChiquitaHugo Caverzasi
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 11/03/2026.