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Troglodytes musculus

Southern House Wren


Troglodytes musculus

Naumann, JF, 1823
Ratona Común
Corruira

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

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Records from Delta del Paraná

Conservation status according to BirdLife International: Least Concern


Description


It is a small, compact bird with a restless appearance and a short tail that is often held upright, a characteristic feature of the group. The plumage is predominantly brown to chestnut, with fine dark barring on the wings and tail, and paler underparts. The bill is thin and slightly curved, adapted for capturing small invertebrates, and the eyes are dark and expressive. Despite its small size, it is well known for its loud and melodious song.

Geographic distribution: It is widely distributed throughout the Americas, from Mexico and Central America to much of South America. It is one of the most common and widespread birds within its range, reflecting its strong adaptability.

Habitat: It occupies a wide variety of habitats, including gardens, parks, urban areas, forest edges, shrublands, and rural zones. It usually stays close to the ground, moving through dense vegetation, fences, buildings, and other sheltered sites.

Feeding: Its diet is mainly insectivorous, consisting of insects, spiders, and other small invertebrates that it forages from leaves, crevices, and ground-level structures. Occasionally, it may consume small fruits or plant material when prey availability is low.

Behavior: It is a highly active and territorial species, constantly moving with quick hops and short flights. Males sing frequently to defend territories and attract mates. It shows a remarkable tolerance to human presence, which facilitates its success in urban environments.

Nesting: Reproduction involves the construction of large, enclosed nests, often globular or irregular in shape, made from plant fibers, feathers, and other available materials. Nests are placed in cavities, crevices, flowerpots, nest boxes, or human-made structures. The female lays several eggs, and both parents actively care for the young.

Conservation status: It is classified as Least Concern, due to its wide distribution, large population size, and adaptability to modified environments. No major global threats are currently identified.


Author of this compilation: EcoRegistros – 22/12/2025





Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 559365
  Adult

Delta del Paraná
Buenos Aires
Argentina
10/08/2023
Judith Erica Sandberg
Foto
Photography ID: 362539
♂ ♀
  Adult

Delta del Paraná
Buenos Aires
Argentina
11/10/2019
Daniel Osvaldo Fernández
Foto
Photography ID: 332581
  Adult

Delta del Paraná
Buenos Aires
Argentina
05/12/2019
Eduardo Soriano
Foto
Photography ID: 320629
  Adult

Delta del Paraná
Buenos Aires
Argentina
03/04/2019
Eduardo Soriano
Foto
Photography ID: 282836
  Adult

Delta del Paraná
Buenos Aires
Argentina
08/19/2018
Vicente Piccirillo
Foto
Photography ID: 212990
  Adult

Delta del Paraná
Buenos Aires
Argentina
09/13/2015
Vicente Piccirillo
Foto
Photography ID: 196375
  Adult

Delta del Paraná
Buenos Aires
Argentina
03/24/2017
Gabriel Celedón
Foto
Photography ID: 180298
  Adult

Delta del Paraná
Buenos Aires
Argentina
12/08/2016
Eduardo Soriano
Foto
Photography ID: 169985
  Juvenile

Delta del Paraná
Buenos Aires
Argentina
09/24/2016
Sofia Tiscornia



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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
248333315/06/2026ArgentinaBuenos AiresDelta del Tigre, Delta del ParanáEsteban Argerich
218493521/09/2024ArgentinaBuenos AiresÁrea Natural Protegida Monte Blanco (Ex Delta Terra), Delta del ParanáDiego Carus
213330511/08/2024ArgentinaBuenos AiresHostería los Pecanes, Delta del Paraná1Gabriel Carbajales
197724521/02/2024ArgentinaBuenos AiresHostería los Pecanes, Delta del Paraná1Gabriel Carbajales
192757808/10/2023ArgentinaBuenos AiresReserva de Biósfera Delta del Paraná (San Fernando), Delta del ParanáJudith Erica Sandberg
177510204/06/2023ArgentinaBuenos AiresDelta del ParanáEsteban Argerich
176838720/05/2023ArgentinaBuenos AiresÁrea Natural Protegida Monte Blanco (Ex Delta Terra), Delta del ParanáDiego Carus
163581104/09/2022ArgentinaBuenos AiresCamping Cielo, Delta del Paraná6Sebastián Otero
163573603/09/2022ArgentinaBuenos AiresCamping Cielo, Delta del Paraná6Sebastián Otero
163480203/09/2022ArgentinaBuenos AiresCamping Cielo, Delta del ParanáMauricio Secchi
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Southern House Wren (Troglodytes musculus) – Species account. Accessed from www.ecoregistros.org on 20/09/2026.