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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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Records from Formosa

Conservation status according to BirdLife International: Least Concern

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

Synonyms: Turdus triurus.


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




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Latest feeding records




Last published photographs

Foto
Photography ID: 654006
  Adult

Departamento Patiño
Formosa
Argentina
09/18/2025
Hugo Alberto Valderrey
Foto
Photography ID: 649155
  Adult

Ex ruta 11
Formosa
Argentina
08/23/2025
Zulima América Schupbach
Foto
Photography ID: 644931
  Adult

Bañado La Estrella
Formosa
Argentina
07/12/2025
Sergio Gabriel Borrillo
Foto
Photography ID: 643233
  Adult

Bañado La Estrella
Formosa
Argentina
07/08/2025
Jorge Carlos Trincavelli
Foto
Photography ID: 607985
  Adult

Loma Monte Lindo, Pirané
Formosa
Argentina
09/16/2024
Julián Tocce
Foto
Photography ID: 603249
  Adult

Rp2
Formosa
Argentina
07/12/2024
Walter Bustamante
Foto
Photography ID: 596526
  Adult

Bañado La Estrella
Formosa
Argentina
08/16/2024
Ricardo Juliano
Foto
Photography ID: 581247
  Adult

Bañado La Estrella
Formosa
Argentina
04/15/2024
Hugo Alberto Valderrey
Foto
Photography ID: 546186
  Adult

Las Lomitas
Formosa
Argentina
08/14/2023
Manuel Godoy
Foto
Photography ID: 516388
  Adult

Fortín Soledad
Formosa
Argentina
07/13/2022
Andrés Cecconi



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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
236861618/09/2025ArgentinaFormosaLas Lomitas, Departamento PatiñoHugo Alberto Valderrey
234860823/08/2025ArgentinaFormosaEx ruta 11Zulima América Schupbach
235617218/08/2025ArgentinaFormosaEl Vertedero., Bañado La EstrellaEsteban Argerich
234290216/08/2025ArgentinaFormosaEstancia El SoñadorZulima América Schupbach
234447511/08/2025ArgentinaFormosaEntre Las Lomitas y El Vertedero, Ruta Provincial 28Dolores Fernandez
232643212/07/2025ArgentinaFormosaFortín Soledad, Bañado La EstrellaSergio Gabriel Borrillo
232971308/07/2025ArgentinaFormosaBañado la Estrella, Bañado La Estrella1Facundo Carretero
232038008/07/2025ArgentinaFormosaBañado La EstrellaJorge Carlos Trincavelli
218413816/09/2024ArgentinaFormosaEl Paso Ghisla, Loma Monte Lindo, PiranéJulián Tocce
213559316/08/2024ArgentinaFormosaBañado la Estrella, Bañado La EstrellaRicardo Juliano
Page 1

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Citation recommended:

EcoRegistros. 2026. White-banded Mockingbird (Mimus triurus) - Species sheet. Acceded from https://www.ecoregistros.org on 30/03/2026.