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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




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Last published photographs

Foto
Photography ID: 668223
 
Cno. s154
Córdoba
Argentina
01/18/2026
Susana Gomez
Foto
Photography ID: 602737
  Adult

Lobería
Buenos Aires
Argentina
09/25/2024
Susana Gomez
Foto
Photography ID: 592213
  Adult

Lobería
Buenos Aires
Argentina
07/17/2024
Susana Gomez
Foto
Photography ID: 584685
  Adult

Lobería
Buenos Aires
Argentina
05/11/2024
Susana Gomez
Foto
Photography ID: 584364
  Adult

Partido de Villarino
Buenos Aires
Argentina
05/07/2024
Susana Gomez
Foto
Photography ID: 584347
  Adult

Partido de Villarino
Buenos Aires
Argentina
05/05/2024
Susana Gomez
Foto
Photography ID: 578024
  Adult

Lobería
Buenos Aires
Argentina
03/28/2024
Susana Gomez
Foto
Photography ID: 552244
  Adult

Lobería
Buenos Aires
Argentina
10/14/2023
Susana Gomez
Foto
Photography ID: 550874
  Adult

Mburucuyá
Corrientes
Argentina
09/18/2023
Susana Gomez
Foto
Photography ID: 536436
 
Lobería
Buenos Aires
Argentina
05/28/2023
Susana Gomez
Foto
Photography ID: 531357
 
Lobería
Buenos Aires
Argentina
04/06/2023
Susana Gomez
Foto
Photography ID: 506073
  Adult

Vía sin nombre
Buenos Aires
Argentina
08/31/2022
Susana Gomez



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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
245063424/03/2026ArgentinaBuenos AiresLos Carpinchos, LoberíaSusana Gomez
244828108/03/2026ArgentinaBuenos AiresLaguna de Monte, San Miguel del Monte1Susana Gomez
244085301/03/202610:34ArgentinaBuenos AiresCamino sin nombrarSusana Gomez
244147528/02/2026ArgentinaBuenos AiresLos Carpinchos, Lobería2Susana Gomez
244142326/02/2026ArgentinaBuenos AiresLos Carpinchos, Lobería2Susana Gomez
242842106/02/202619:09ArgentinaBuenos AiresCamino sin nombrarSusana Gomez
242598201/02/202611:07ArgentinaBuenos AiresCamino sin nombrarSusana Gomez
241947822/01/202608:45ArgentinaCórdobaCamino a Cuchi CorralSusana Gomez
241943121/01/2026ArgentinaCórdobaDique El Cajón, Capilla del MonteSusana Gomez
241882220/01/202613:33ArgentinaCórdobaRuta Provincial S504Susana Gomez
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 29/03/2026.