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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 San Clemente del Tuyú

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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Species photographs

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Foto
Photography ID: 529972
  Adult

San Clemente del Tuyú
Buenos Aires
Argentina
03/28/2023
Eduardo Cusano
Foto
Photography ID: 529825
  Adult

San Clemente del Tuyú
Buenos Aires
Argentina
03/10/2023
Carlos De Biagi
Foto
Photography ID: 529806
  Adult

San Clemente del Tuyú
Buenos Aires
Argentina
03/10/2023
Carlos De Biagi
Foto
Photography ID: 528601
  Adult

San Clemente del Tuyú
Buenos Aires
Argentina
03/07/2023
Carlos De Biagi
Foto
Photography ID: 151683
  Adult

San Clemente del Tuyú
Buenos Aires
Argentina
05/21/2016
Silvina Collado



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 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
243492317/02/202609:58ArgentinaBuenos AiresCalle 59 1164, San Clemente del Tuyú2Santiago Juan Torres
242694201/02/2026ArgentinaBuenos AiresParque Municipal Vivero Cosme Argerich, San Clemente del Tuyú1Diego Oscar
241672215/01/202618:32ArgentinaBuenos AiresCalle 50, San Clemente del Tuyú2Jorge La Grotteria
241431810/01/202619:04ArgentinaBuenos AiresCalle 49 1086, San Clemente del Tuyú1Jorge La Grotteria
231326702/07/202512:20ArgentinaBuenos AiresSan Clemente del Tuyú1Martina Esquivel
226730122/03/202515:41ArgentinaBuenos AiresAvenida IX 554, San Clemente del Tuyú2Filippo Riffaldi
226470722/03/202515:41ArgentinaBuenos AiresAvenida IX 554, San Clemente del Tuyú2Santiago Juan Torres
252875921/12/2024ArgentinaBuenos AiresParque Municipal Vivero Cosme Argerich, San Clemente del TuyúRoberto Güller
221408121/12/2024ArgentinaBuenos AiresParque Municipal Vivero Cosme Argerich, San Clemente del TuyúAlec Earnshaw
201284223/03/2024ArgentinaBuenos AiresAvenida Naval 1820, San Clemente del TuyúSantiago Juan Torres
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 22/09/2026.