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Furnarius rufus

Rufous Hornero


Furnarius rufus

(Gmelin, 1788)
Hornero
João-de-barro

Family: Furnariidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Other common names: Alonsito, Caserito.

Synonyms: Merops rufus.

Subspecies:





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Conservation status according to BirdLife International: Least Concern


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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Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 705665
♂ ♀
  Adult

Carlos Beguerie
Buenos Aires
Argentina
09/19/2026
Hernán Tolosa
Foto
Photography ID: 693406
  Adult

Lobos
Buenos Aires
Argentina
07/02/2026
Hernán Tolosa
Foto
Photography ID: 692116
  Adult

San Miguel del Monte
Buenos Aires
Argentina
06/18/2026
Hernán Tolosa
Foto
Photography ID: 685080
  Adult

Gobernador Udaondo
Buenos Aires
Argentina
05/04/2026
Hernán Tolosa
Foto
Photography ID: 669392
  Adult

Trelew
Chubut
Argentina
01/06/2026
Hernán Tolosa
Foto
Photography ID: 667765
  Adult

San Miguel del Monte
Buenos Aires
Argentina
01/16/2026
Hernán Tolosa
Foto
Photography ID: 615137
  Adult

Faro Belen
Río Negro
Argentina
11/29/2024
Hernán Tolosa
Foto
Photography ID: 562541
  Adult

Zenón Videla Dorna
Buenos Aires
Argentina
01/01/2024
Hernán Tolosa
Foto
Photography ID: 544378
♂ ♀
  Adult

San Miguel del Monte
Buenos Aires
Argentina
07/30/2023
Hernán Tolosa



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Species vocalizations

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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
271244917/10/202619:07ArgentinaBuenos AiresAcceso Presidente Raúl Alfonsín1Hernán Tolosa
262907208/10/2026UruguayMaldonadoPunta ColoradaHernán Tolosa
262903608/10/2026UruguayMaldonadoEstación de Cría de Fauna Autóctona Cerro Pan de AzúcarHernán Tolosa
262893707/10/2026UruguayMaldonadoHumedal Arroyo MaldonadoHernán Tolosa
262889306/10/2026UruguayRochaParque Nacional Santa TeresaHernán Tolosa
262880705/10/2026UruguayRochaPlaya El Faro, La PalomaHernán Tolosa
262816205/10/2026UruguayMaldonadoPlaya del faro, José IgnacioHernán Tolosa
262812705/10/2026UruguayMaldonadoParque IndígenaHernán Tolosa
262800605/10/2026UruguayMaldonadoPunta del EsteHernán Tolosa
253009619/09/2026ArgentinaBuenos AiresCarlos BeguerieHernán Tolosa
Page 1

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Related bibliography


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.



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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Rufous Hornero (Furnarius rufus) – Species account. Accessed from www.ecoregistros.org on 02/11/2026.