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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 Ceibas

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: 657747
  Adult

Ceibas
Entre Ríos
Argentina
09/20/2025
Carlos De Biagi
Foto
Photography ID: 657533
  Adult

Ceibas
Entre Ríos
Argentina
09/19/2025
Carlos De Biagi
Foto
Photography ID: 585989
 
Ceibas
Entre Ríos
Argentina
06/01/2024
Jorgelina Lopez
Foto
Photography ID: 578281
 
Ceibas
Entre Ríos
Argentina
01/13/2024
Alec Earnshaw
Foto
Photography ID: 576424
  Adult

Ceibas
Entre Ríos
Argentina
02/15/2024
Elsa Longo
Foto
Photography ID: 521865
  Adult

Ceibas
Entre Ríos
Argentina
01/22/2023
Gustavo Puente
Foto
Photography ID: 506794
♂ ♀
  Adult

Ceibas
Entre Ríos
Argentina
09/03/2022
Daniel Osvaldo Fernández
Foto
Photography ID: 492826
  Adult

Ceibas
Entre Ríos
Argentina
04/28/2022
Gustavo Daniel González
Foto
Photography ID: 482406
  Adult

Ceibas
Entre Ríos
Argentina
02/13/2022
Pablo Alberto Re
Foto
Photography ID: 475503
  Adult

Ceibas
Entre Ríos
Argentina
09/18/2021
Daniel Osvaldo Fernández
Foto
Photography ID: 471658
  Adult

Ceibas
Entre Ríos
Argentina
11/13/2021
Daniel Osvaldo Fernández



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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
244733815/03/2026ArgentinaEntre RíosEa. Campo Bajo, Ceibas1Diego Oscar
244731215/03/2026ArgentinaEntre RíosRío de las Aves, CeibasDiego Oscar
244514608/03/202610:23ArgentinaEntre RíosCeibasDolores Fernandez
244485107/03/2026ArgentinaEntre RíosCeibas1Diego Oscar
244083427/02/2026ArgentinaEntre RíosCeibas, Ceibas1Gabriel Carbajales
244079527/02/2026ArgentinaEntre RíosTerraplen, Ceibas5Gabriel Carbajales
243792422/02/2026ArgentinaEntre RíosCeibas10Diego Oscar
243412916/02/202613:17ArgentinaEntre RíosCeibas1Jorge La Grotteria
243415716/02/202614:10ArgentinaEntre RíosCeibas2Jorge La Grotteria
243410016/02/202612:02ArgentinaEntre RíosCeibas2Jorge La Grotteria
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 19/03/2026.