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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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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





Geographic distribution


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Species photographs

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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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
252731710/09/2026ArgentinaEntre RíosCeibas15Diego Oscar
250754408/08/202613:20ArgentinaEntre RíosCeibas1Gustavo Marasco
250754508/08/202613:10ArgentinaEntre RíosCeibas4Gustavo Marasco
250754608/08/202613:06ArgentinaEntre RíosCeibas1Gustavo Marasco
250756708/08/202612:28ArgentinaEntre RíosCeibas1Gustavo Marasco
250760808/08/202608:56ArgentinaEntre RíosCeibas3Gustavo Marasco
250747108/08/202613:20ArgentinaEntre RíosCeibas1Jorge La Grotteria
250747208/08/202613:10ArgentinaEntre RíosCeibas4Jorge La Grotteria
250747308/08/202613:06ArgentinaEntre RíosCeibas1Jorge La Grotteria
250748508/08/202612:28ArgentinaEntre RíosCeibas1Jorge La Grotteria
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 20/09/2026.