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Furnarius rufus

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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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: 98615
  Adult

Valeria del Mar
Buenos Aires
Argentina
05/17/2015
Santiago Juan Torres
Foto
Photography ID: 49146
  Adult

Tandil
Buenos Aires
Argentina
04/24/2014
Santiago Juan Torres
Foto
Photography ID: 36543
  Adult

Pinamar
Buenos Aires
Argentina
01/28/2014
Santiago Juan Torres



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Species vocalizations

Last vocalizations published



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Species videos

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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
252776214/09/202610:42ArgentinaBuenos AiresRuta sin nombrar, Balcarce1Santiago Juan Torres
251928530/08/2026ArgentinaBuenos AiresEstación Iraola, TandilSantiago Juan Torres
250692307/08/202610:13ArgentinaBuenos AiresPozos 502, Tandil1Santiago Juan Torres
250039026/07/202616:51ArgentinaBuenos AiresAvutarda 116, Cariló1Santiago Juan Torres
250038626/07/202616:49ArgentinaBuenos AiresAvestruz 137, Cariló1Santiago Juan Torres
249891222/07/202615:11ArgentinaSanta FeRuta Nacional 1781Santiago Juan Torres
249812921/07/202616:45ArgentinaCórdobaCamino de las Colonias 1610, Marcos Juárez1Santiago Juan Torres
248965305/07/202611:08ArgentinaBuenos AiresRuta sin nombrar1Santiago Juan Torres
248680327/06/202612:18ArgentinaBuenos AiresTandil1Santiago Juan Torres
248551421/06/202614:56ArgentinaBuenos AiresAvutarda 116, Cariló1Santiago Juan Torres
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 20/09/2026.