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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 Diamante

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: 203569
  Adult

Diamante
Entre Ríos
Argentina
03/18/2017
Zulima América Schupbach
Foto
Photography ID: 4954
  Adult

Diamante
Entre Ríos
Argentina
10/08/2009
Jose Luis Merlo



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
228809213/05/2025ArgentinaEntre RíosPn Pre Delta- Sendero del Espinal, Diamante4Patricia Beatriz Benitez
231847205/11/2024ArgentinaEntre RíosPN Pre Delta, Diamante2Mauro Desch
199089624/02/2024ArgentinaEntre RíosParaje La Juanita, Diamante4Naré Berduc
199089410/07/2023ArgentinaEntre RíosMonte La Paloma, Diamante4Naré Berduc
199089119/06/2023ArgentinaEntre RíosAvenida Presidente Néstor Kirchner, Diamante2Naré Berduc
174237602/04/2023ArgentinaEntre RíosDiamante4Susana Gomez
162757315/08/2022ArgentinaEntre RíosRuta Nacional 131, DiamanteGustavo Fernando Durán
162757015/08/2022ArgentinaEntre RíosRuta Nacional 131, DiamanteGustavo Fernando Durán
199089522/05/2022ArgentinaEntre RíosPN Pre-Delta, Diamante8Naré Berduc
209450118/12/2021ArgentinaEntre RíosPN Pre-Delta, Diamante1Nazareno Del Carlo
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 10/03/2026.