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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 Mar de Cobo

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: 110268
  Adult

Mar de Cobo
Buenos Aires
Argentina
08/17/2015
José Luis Ianiro



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
213606520/08/2024ArgentinaBuenos AiresParque Lago, Mar de Cobo2Diego Oscar
200992910/03/2024ArgentinaBuenos AiresMar de Cobo, Mar de Cobo10Enrique Chiurla
200657411/02/2024ArgentinaBuenos AiresParque Lago, Mar de Cobo3Sebastián Otero
197133511/02/2024ArgentinaBuenos AiresParque Lago, Mar de Cobo3Gabriel Carbajales
190349014/10/2023ArgentinaBuenos AiresParque Lago, Mar de Cobo1José Luis Ianiro
177905817/06/2023ArgentinaBuenos AiresLago Mar de Cobo, Mar de Cobo2Silvina Collado
177894617/06/2023ArgentinaBuenos AiresLago Mar de Cobo, Mar de Cobo2Julian Uriel Collado
176024929/04/2023ArgentinaBuenos AiresParque Lago, Mar de CoboSantiago Juan Torres
178698915/02/2023ArgentinaBuenos AiresParque Lago, Mar de Cobo16José Luis Ianiro
158409121/05/2022ArgentinaBuenos AiresParque Lago, Mar de Cobo2Silvina Collado
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.