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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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Records from Punta Indio

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: 674694
  Adult

Punta Indio
Buenos Aires
Argentina
02/15/2026
Gaston Lisandro Gabinetti
Foto
Photography ID: 674449
  Adult

Punta Indio
Buenos Aires
Argentina
02/15/2026
Peter Vidana
Foto
Photography ID: 350008
  Juvenile

Punta Indio
Buenos Aires
Argentina
10/13/2018
Analía Gonzalez
Foto
Photography ID: 219724
  Adult

Punta Indio
Buenos Aires
Argentina
09/16/2017
Gustavo Adolfo Herrera
Foto
Photography ID: 153562
  Adult

Punta Indio
Buenos Aires
Argentina
06/11/2016
Facundo Quintela
Foto
Photography ID: 133070
  Adult

Punta Indio
Buenos Aires
Argentina
01/08/2016
Facundo Quintela
Foto
Photography ID: 117974
  Adult

Punta Indio
Buenos Aires
Argentina
10/03/2015
Facundo Quintela
Foto
Photography ID: 65244
  Adult

Punta Indio
Buenos Aires
Argentina
10/11/2014
Facundo Quintela
Foto
Photography ID: 62612
  Adult

Punta Indio
Buenos Aires
Argentina
09/21/2014
Facundo Quintela
Foto
Photography ID: 58533
  Juvenile

Punta Indio
Buenos Aires
Argentina
08/08/2014
Facundo Quintela
Foto
Photography ID: 54528
  Adult

Punta Indio
Buenos Aires
Argentina
06/20/2014
Facundo Quintela
Foto
Photography ID: 52401
  Adult

Punta Indio
Buenos Aires
Argentina
05/17/2014
Guillermo Marcaida



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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
243801815/02/2026ArgentinaBuenos AiresArroyo Villoldo, campos, Punta IndioGaston Lisandro Gabinetti
243748915/02/2026ArgentinaBuenos AiresArroyo Casilla, campos, Punta IndioPeter Vidana
238161902/11/2025ArgentinaBuenos AiresPunta IndioNicolas Olejnik
234962424/07/2025ArgentinaBuenos AiresPunta Indio2Diego Oscar
234959423/07/2025ArgentinaBuenos AiresPunta Indio1Diego Oscar
204578415/06/2024ArgentinaBuenos AiresCosta del Río de la Plata, Punta Indio1Gabriel Carbajales
179485119/07/2023ArgentinaBuenos AiresPunta Indio2Diego Oscar
179482718/07/2023ArgentinaBuenos AiresPunta Indio1Diego Oscar
178090118/06/2023ArgentinaBuenos AiresPunta Indio4Diego Oscar
174791507/04/2023ArgentinaBuenos AiresSendero interpretativo “arroyo Villoldo”, Punta Indio5Victor Hugo Michelini
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 17/03/2026.