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Mimus saturninus

Chalk-browed Mockingbird


Mimus saturninus

(Lichtenstein, MHC, 1823)
Calandria Grande
Sabiá-do-campo

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

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Conservation status according to BirdLife International: Least Concern


Description


A medium-sized and slender mockingbird with an upright posture and a clean, elongated profile. Its plumage is mostly grayish to brownish, with subtle streaking on the breast and flanks and paler underparts. The wings show a contrasting pattern of dark and light patches, especially noticeable in flight. It has a slightly curved, fine bill suitable for probing insects and fruit. The yellowish eyes give it a sharp, alert expression. Juveniles display a duller and less contrasted appearance.

Geographical distribution: It occurs widely across South America, from central and eastern Brazil through Paraguay, Bolivia, Uruguay, and much of Argentina, occupying open and semi-open landscapes. It thrives in dry regions, savannas, pampas and even suburban environments.

Habitat: Inhabits open grasslands, scrublands, forest edges, rural environments and urban areas, where it adapts readily. It is frequently observed in gardens, parks and areas with scattered shrubs, often using exposed branches, posts or human-made structures as vantage points.

Diet: Its diet is omnivorous and opportunistic, including insects, small invertebrates, fleshy fruits, seeds and occasionally human-related food items. It forages mainly on the ground, walking with confident steps and pausing to inspect leaf litter or cavities for prey.

Behavior: A highly territorial species, especially during the breeding season. Its song is strong, varied and persistent, often including imitations of other birds. It tends to be bold and active, regularly perching on elevated lookouts. In human-modified areas it may form small family groups and defend resources vigorously.

Breeding: Builds an open and bulky nest of twigs and plant fibers in shrubs, medium-height trees or artificial structures. The clutch typically contains 2 to 4 eggs. The female performs most of the incubation, while both adults defend the territory and feed the chicks until independence.

Conservation status: Classified as Least Concern (LC) globally, supported by its broad range, adaptability and stable populations. It thrives in altered landscapes and often expands into human-modified areas.


Author of this compilation: EcoRegistros – 08/12/2025





Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 606565
  Adult

La capital
Santa Fe
Argentina
09/12/2024
Julián Tocce
Foto
Photography ID: 606431
  Adult

Caacupe
Cordillera
Paraguay
09/24/2024
Julián Tocce
Foto
Photography ID: 605797
  Adult

San Cosme y San Damián
Itapúa
Paraguay
09/25/2024
Julián Tocce
Foto
Photography ID: 575500
  Adult

Parque del Plata
Canelones
Uruguay
03/11/2024
Julián Tocce
Foto
Photography ID: 565928
  Adult

General Roca
Río Negro
Argentina
01/19/2024
Julián Tocce
Foto
Photography ID: 540416
  Adult

Parque del Plata
Canelones
Uruguay
07/03/2023
Julián Tocce
Foto
Photography ID: 509713
  Adult

Potrero de los Funes
San Luis
Argentina
09/19/2022
Julián Tocce
Foto
Photography ID: 378387
  Adult

Neuquen Ciudad
Neuquén
Argentina
01/09/2020
Julián Tocce
Foto
Photography ID: 254618
  Adult

Parque del Plata
Canelones
Uruguay
03/17/2018
Julián Tocce
Foto
Photography ID: 238339
  Adult

General Roca
Río Negro
Argentina
01/07/2018
Julián Tocce
Foto
Photography ID: 207096
  Adult

General Roca
Río Negro
Argentina
06/19/2017
Julián Tocce



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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
217775525/09/2024ParaguayItapúaCiudad, San Cosme y San DamiánJulián Tocce
217991824/09/2024ParaguayCordilleraArroyo Ytu - Camping Teteú, CaacupeJulián Tocce
218051312/09/2024ArgentinaSanta FeLaguna Paiva--Balneario Municipal, La capitalJulián Tocce
201024411/03/2024UruguayCanelonesCosta del arroyo Solís Chico, Parque del PlataJulián Tocce
195109919/01/2024ArgentinaRío NegroZona de chacras, General RocaJulián Tocce
179149811/07/2023UruguayCanelonesRambla, Atlantida4Julián Tocce
178711503/07/2023UruguayCanelonesDiagonal 1 23, Parque del PlataJulián Tocce
175642023/04/2023ArgentinaRío NegroSalto Andersen ruta prov 57, Salto Andersen1Julián Tocce
174962015/04/2023ArgentinaLa PampaZona de laguna, Laguna Don Tomás2Julián Tocce
174856113/04/2023ArgentinaLa PampaCamping Parque Nacional Lihue Calel, Parque Nacional Lihué Calel3Julián Tocce
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) – Species account. Accessed from www.ecoregistros.org on 25/09/2026.