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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 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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Last published photographs

Foto
Photography ID: 646146
  Adult

Mar Chiquita
Buenos Aires
Argentina
05/29/2025
José Luis Ianiro
Foto
Photography ID: 646140
  Adult

Mar Chiquita
Buenos Aires
Argentina
05/18/2025
José Luis Ianiro
Foto
Photography ID: 540773
  Adult

Mar Chiquita
Buenos Aires
Argentina
07/01/2023
José Luis Ianiro
Foto
Photography ID: 439217
  Adult

Mar Chiquita
Buenos Aires
Argentina
03/13/2021
José Luis Ianiro
Foto
Photography ID: 429848
  Adult

Mar Chiquita
Buenos Aires
Argentina
01/02/2021
M Carolina Lago
Foto
Photography ID: 367119
  Adult

Mar Chiquita
Buenos Aires
Argentina
07/24/2017
Jorge Iriberri
Foto
Photography ID: 309389
  Adult

Mar Chiquita
Buenos Aires
Argentina
12/26/2018
Max Uranga
Foto
Photography ID: 309388
  Adult

Mar Chiquita
Buenos Aires
Argentina
12/26/2018
Max Uranga
Foto
Photography ID: 309387
  Adult

Mar Chiquita
Buenos Aires
Argentina
12/26/2018
Max Uranga
Foto
Photography ID: 232774
  Adult

Mar Chiquita
Buenos Aires
Argentina
12/09/2017
Hernán Tolosa
Foto
Photography ID: 232630
  Adult

Mar Chiquita
Buenos Aires
Argentina
09/18/2016
José Luis Ianiro
Foto
Photography ID: 221112
  Adult

Mar Chiquita
Buenos Aires
Argentina
09/17/2017
Victor Hugo Michelini



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
243373431/01/2026ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita8Victor Hugo Michelini
242980929/01/2026ArgentinaBuenos AiresLaguna Mar Chiquita, Mar Chiquita3Victor Hugo Michelini
242820727/01/2026ArgentinaBuenos AiresLaguna Mar Chiquita, Mar Chiquita2Victor Hugo Michelini
242814527/01/2026ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita11Victor Hugo Michelini
240809528/12/2025ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita3Victor Hugo Michelini
239324023/11/2025ArgentinaBuenos AiresMar Chiquita8Victor Hugo Michelini
238348401/11/2025ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita15Victor Hugo Michelini
238007018/10/2025ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita9Victor Hugo Michelini
237798604/10/2025ArgentinaBuenos AiresEstancia Nahuel Ruca, Mar Chiquita9Victor Hugo Michelini
230887407/06/2025ArgentinaBuenos AiresLaguna Nahuel Ruca, Mar Chiquita10Victor Hugo Michelini
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 09/03/2026.










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