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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 Bahía de Samborombón

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
230063125/05/2025ArgentinaBuenos AiresRuta 11, Bahía de Samborombón5Gabriel Carbajales
230053125/05/2025ArgentinaBuenos AiresRío Salado, Bahía de Samborombón4Gabriel Carbajales
68986431/01/2018ArgentinaBuenos AiresRuta 11 entre Río Salado y "canal Aliviador" (río Salado Inferior), Bahía de SamborombónMarcelo Gavensky
62647706/10/2017ArgentinaBuenos AiresRuta 11, Bahía de Samborombón5Facundo Quintela
57524114/05/2017ArgentinaBuenos AiresRuta 11 y Río Salado, Bahía de Samborombón1Carlos Enrique Alvarez
53451327/01/2017ArgentinaBuenos AiresRuta 11 y Río Salado, Bahía de Samborombón10Facundo Quintela
20790608/12/2014ArgentinaBuenos AiresBahía de SamborombónJorge La Grotteria
21073714/11/2014ArgentinaBuenos AiresBahía de SamborombónMarcelo Gavensky
20673114/11/2014ArgentinaBuenos AiresBahía de SamborombónHugo Oscar Graglia
11738418/02/2014ArgentinaBuenos AiresBahía de SamborombónHugo Oscar Graglia
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 12/03/2026.