Don't want to see ads? Sign up...





Species icon
Rufous Hornero

Furnarius rufus
(Gmelin, JF, 1788)
Hornero
João-de-barro

Family: Furnariidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

 Request change
Filters

Records from Reserva Ecológica Costanera Sur (RECS)

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

 See related literature




Loading map...




Last published photographs




 View all photographs of the species




 Add a photography of this species





Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
J. Simón Tagtachian02/11/2018ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
J. Simón Tagtachian01/21/2018ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Jose Luis Merlo04/10/2009ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)♂ ♀AdultNoNo



 See all the audios of the species




 Add an audio of this species





Last Filmings published





 Ver todos los videos de la especie




 Add a film of this species





 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
244136203/03/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Nicolas Olejnik
243984427/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)2Diego Oscar
244061221/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)8Gabriel Carbajales
243754821/02/2026ArgentinaCiudad Autónoma de Buenos AiresCamino del medio, Reserva Ecológica Costanera Sur (RECS)3Carlos Enrique Alvarez
242989308/02/202610:44ArgentinaCiudad Autónoma de Buenos AiresAvenida Doctor Tristán Achával Rodríguez 1550, Reserva Ecológica Costanera Sur (RECS)2María Alejandra Sosa
242928508/02/202610:44ArgentinaCiudad Autónoma de Buenos AiresAvenida Doctor Tristán Achával Rodríguez 1550, Reserva Ecológica Costanera Sur (RECS)2Jorge La Grotteria
242879107/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)4Diego Oscar
242884506/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)3Diego Oscar
242955005/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)4Gabriel Carbajales
242768104/02/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)5Diego Oscar
Page 1

 Add a record of this species




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.










Fatbirder's Top 1000 Birding Websites

EcoRegistros ® - Copyright © 2011-2026
Jorge La Grotteria
All rights reserved