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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 Villa de Merlo

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: 587334
  Adult

Villa de Merlo
San Luis
Argentina
06/03/2024
Enrique Sanz
Foto
Photography ID: 573837
  Adult

Villa de Merlo
San Luis
Argentina
02/18/2024
Alicia Mayor
Foto
Photography ID: 509522
  Adult

Villa de Merlo
San Luis
Argentina
09/02/2022
Diego Alfonso Rosa
Foto
Photography ID: 508884
  Adult

Villa de Merlo
San Luis
Argentina
09/01/2022
Diego Alfonso Rosa
Foto
Photography ID: 507240
  Adult

Villa de Merlo
San Luis
Argentina
09/02/2022
Diego Alfonso Rosa
Foto
Photography ID: 464511
  Adult

Villa de Merlo
San Luis
Argentina
09/03/2021
Elsa Longo
Foto
Photography ID: 393188
  Adult

Villa de Merlo
San Luis
Argentina
10/12/2019
Guillermo C Olivero
Foto
Photography ID: 383994
  Adult

Villa de Merlo
San Luis
Argentina
02/11/2020
Feliciano Ferretti
Foto
Photography ID: 355673
  Adult

Villa de Merlo
San Luis
Argentina
01/25/2019
Daniel Osvaldo Fernández
Foto
Photography ID: 343746
  Adult

Villa de Merlo
San Luis
Argentina
07/18/2019
Pablo Eguia
Foto
Photography ID: 308020
  Adult

Villa de Merlo
San Luis
Argentina
11/13/2018
Guillermo Marcaida
Foto
Photography ID: 251672
  Immature

Villa de Merlo
San Luis
Argentina
02/24/2018
Jorge Schlemmer



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Last Vocalizations published




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Last Filmings published


Video ID: 2050
  Adult

Villa de Merlo
San Luis
Argentina
04/23/2015
Santos Di Mauro



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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
204389603/06/2024ArgentinaSan LuisDique Piscu Yaco, Villa de MerloEnrique Sanz
200578918/02/2024ArgentinaSan LuisMerlo, Villa de MerloAlicia Mayor
197679304/02/2024ArgentinaSan LuisCerro de oro, Villa de Merlo2Rodolfo Domnanovich
164905824/09/2022ArgentinaSan LuisReserva Florofaunistica de Rincon del Este, Villa de Merlo3Julián Tocce
164903024/09/2022ArgentinaSan LuisMerlo y alrededores, Villa de Merlo5Julián Tocce
164842102/09/2022ArgentinaSan LuisCabaña Los Remolinos, Villa de MerloDiego Alfonso Rosa
163838602/09/2022ArgentinaSan LuisCabaña Los Remolinos, Villa de MerloDiego Alfonso Rosa
164557701/09/2022ArgentinaSan LuisPosada de Campo Maia, Villa de MerloDiego Alfonso Rosa
147009203/09/2021ArgentinaSan LuisEl Filo, Villa de MerloGuillermo Marcaida
146855903/09/2021ArgentinaSan LuisEl Filo, Villa de MerloElsa Longo
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.