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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 Las Grutas

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: 535467
 
Las Grutas
Río Negro
Argentina
04/26/2023
Adrian Braidotti
Foto
Photography ID: 385881
  Adult

Las Grutas
Río Negro
Argentina
02/17/2020
Carlos De Biagi
Foto
Photography ID: 257638
  Adult

Las Grutas
Río Negro
Argentina
03/31/2018
Mariano Costa
Foto
Photography ID: 43428
  Adult

Las Grutas
Río Negro
Argentina
03/12/2014
Patricio M. Silfeni
Foto
Photography ID: 30550
  Adult

Las Grutas
Río Negro
Argentina
11/11/2013
Patricio M. Silfeni
Foto
Photography ID: 20382
  Adult

Las Grutas
Río Negro
Argentina
12/26/2009
Miguel I Christie



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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
242472930/01/202610:42ArgentinaRío NegroLas Grutas1Patricia Beatriz Benitez
242376028/01/202614:02ArgentinaRío NegroLas Grutas2Patricia Beatriz Benitez
203076718/04/2024ArgentinaRío NegroLas Grutas, Las GrutasAdrian Braidotti
176663726/04/2023ArgentinaRío NegroLas Grutas, Las GrutasAdrian Braidotti
169252823/11/2022ArgentinaRío NegroLas Grutas1Maximiliano Sager
166872603/11/2022ArgentinaRío NegroCamino costero, Las Grutas2Gabriel Carbajales
154770914/02/2022ArgentinaRío NegroLas GrutasNicolas Olejnik
153634519/01/2022ArgentinaRío NegroEl Condor 2, Las GrutasMarcelo Gavensky
150488026/11/2021ArgentinaRío NegroColectora 915, Las Grutas1Jorge La Grotteria
150458426/11/2021ArgentinaRío NegroColectora 915, Las Grutas1María Alejandra Sosa
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.