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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: 662403
  Adult

Tanti
Córdoba
Argentina
09/20/2025
Federico J. Villegas
Foto
Photography ID: 587095
  Adult

Loma Blanca
Córdoba
Argentina
05/11/2024
Federico J. Villegas
Foto
Photography ID: 561781
  Adult

Córdoba
Córdoba
Argentina
07/30/2023
Federico J. Villegas
Foto
Photography ID: 483438
  Adult

Loma Blanca
Córdoba
Argentina
01/21/2022
Federico J. Villegas
Foto
Photography ID: 456047
  Adult

San Javier
Córdoba
Argentina
07/09/2021
Federico J. Villegas
Foto
Photography ID: 307226
  Adult

Salsipuedes
Córdoba
Argentina
09/23/2018
Federico J. Villegas
Foto
Photography ID: 211532
  Adult

Loma Blanca
Córdoba
Argentina
07/23/2017
Federico J. Villegas
Foto
Photography ID: 43146
  Adult

Salsipuedes
Córdoba
Argentina
01/05/2014
Federico J. Villegas



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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
239737920/09/2025ArgentinaCórdobaUnos 10 kms pasando la localidad de Tanti, camino a Los Gigantes, TantiFederico J. Villegas
225069210/01/2025BrazilRio Grande do SulRs-110, entre Várzea do Cedro e São Francisco de PaulaFederico J. Villegas
221188710/08/2024ArgentinaCórdobaCañada Larga - Las ManzanasFederico J. Villegas
204333211/05/2024ArgentinaCórdobaLoma BlancaFederico J. Villegas
193482430/07/2023ArgentinaCórdobareserva municipal Parque general San Martín, CórdobaFederico J. Villegas
155003621/01/2022ArgentinaCórdobaLoma BlancaFederico J. Villegas
144075909/07/2021ArgentinaCórdobaSan Javier, San JavierFederico J. Villegas
126507005/04/2020ArgentinaCórdobaReserva Natural Urbana Gral. San MartínFederico J. Villegas
86069423/09/2018ArgentinaCórdobaSalsipuedesFederico J. Villegas
59424023/07/2017ArgentinaCórdobaLoma BlancaFederico J. Villegas
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 27/09/2026.