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Mimus triurus

White-banded Mockingbird


Mimus triurus

(Vieillot, LJP, 1818)
Calandria Real
Calhandra-de-três-rabos

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

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Other common names: Calandria de Tres Colas, Calandria de Alas Blancas.

Synonyms: Turdus triurus.





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Conservation status according to BirdLife International: Least Concern


Description


It is a medium-sized passerine bird with a slender and elegant appearance, easily identified by its long tail with large white patches, especially noticeable in flight. The overall plumage is pale gray to brownish-gray, with dark wings showing well-defined white markings. The bill is slender and slightly curved, suited to a varied diet, and the legs are long and dark, providing agility on the ground.

Geographic distribution: It is mainly distributed across central and southern South America, occurring widely in Argentina, Uruguay, Paraguay, southern Bolivia, and parts of southern Brazil. It shows seasonal and local movements related to resource availability and climatic conditions.

Habitat: It inhabits open and semi-open environments, including grasslands, shrub-steppes, scrublands, woodland edges, rural areas, and suburban zones. It favors landscapes with low vegetation and open spaces that facilitate foraging and vigilance.

Feeding: Its diet is omnivorous and opportunistic, consisting primarily of insects, spiders, and other invertebrates, captured on the ground or among vegetation. Fruits, seeds, and berries are also consumed, particularly when animal prey is scarce.

Behavior: It is an active, territorial, and approachable species, usually seen alone or in pairs. It moves swiftly across the ground, frequently stopping to scan its surroundings. The song is melodic and varied, with a notable ability to mimic other bird species, especially during the breeding season.

Nesting: Nesting takes place in shrubs or low trees, where a bulky nest made of twigs and grasses is built. The clutch typically consists of 2 to 4 eggs, mainly incubated by the female, while the male assists in territory defense and chick care.

Conservation status: It is classified as Least Concern, with generally stable populations throughout most of its range, although habitat alteration may cause localized effects.


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





Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 688257
  Adult

Lobos
Buenos Aires
Argentina
05/24/2026
Hernán Tolosa
Foto
Photography ID: 686865
  Adult

Magdalena
Buenos Aires
Argentina
05/14/2026
Hernán Tolosa
Foto
Photography ID: 659364
  Adult

San Miguel del Monte
Buenos Aires
Argentina
08/30/2025
Hernán Tolosa
Foto
Photography ID: 617479
  Adult

Pedro Luro
Buenos Aires
Argentina
12/16/2024
Hernán Tolosa
Foto
Photography ID: 615132
  Adult

Faro Belen
Río Negro
Argentina
11/28/2024
Hernán Tolosa
Foto
Photography ID: 583512
  Adult

San Miguel del Monte
Buenos Aires
Argentina
05/11/2024
Hernán Tolosa
Foto
Photography ID: 557852
  Adult

Parque Nacional Lihué Calel
La Pampa
Argentina
11/12/2023
Hernán Tolosa
Foto
Photography ID: 535355
  Adult

San Miguel del Monte
Buenos Aires
Argentina
05/13/2023
Hernán Tolosa
Foto
Photography ID: 517502
  Immature

Faro Belen
Río Negro
Argentina
12/10/2022
Hernán Tolosa
Foto
Photography ID: 453388
  Adult

San Miguel del Monte
Buenos Aires
Argentina
07/10/2021
Hernán Tolosa
Foto
Photography ID: 427803
  Adult

Partido de Villarino
Buenos Aires
Argentina
12/30/2020
Hernán Tolosa
Foto
Photography ID: 427559
  Adult

Viedma
Río Negro
Argentina
12/13/2020
Hernán Tolosa



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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
249903323/07/202610:46ArgentinaBuenos AiresRuta sin nombrar1Hernán Tolosa
248196711/06/202613:06ArgentinaBuenos AiresCamino Interno Benquerencia, Estancia Benquerencia1Hernán Tolosa
248019231/05/2026ArgentinaBuenos AiresPesquero 25 de Mayo, MagdalenaHernán Tolosa
247415924/05/2026ArgentinaBuenos AiresLaguna Culú Culú, LobosHernán Tolosa
247409524/05/2026ArgentinaBuenos AiresLa Florida, LobosHernán Tolosa
247019714/05/2026ArgentinaBuenos AiresPesquero 25 de Mayo, MagdalenaHernán Tolosa
241244711/12/2025ArgentinaBuenos AiresCamino a Laguna Chasicó, ChasicoHernán Tolosa
234919530/08/2025ArgentinaBuenos AiresLa Blanqueada, San Miguel del MonteHernán Tolosa
231610606/07/2025ArgentinaBuenos AiresSan Miguel del MonteHernán Tolosa
226870028/03/2025ArgentinaLa PampaParque Nacional Lihué CalelHernán Tolosa
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. White-banded Mockingbird (Mimus triurus) – Species account. Accessed from www.ecoregistros.org on 18/09/2026.