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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 Concepción del Uruguay

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

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Foto
Photography ID: 649027
  Adult

Concepción del Uruguay
Entre Ríos
Argentina
07/25/2025
Edgar Romeo
Foto
Photography ID: 373739
  Adult

Concepción del Uruguay
Entre Ríos
Argentina
12/26/2019
Gustavo Ramos



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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
245169719/03/2026ArgentinaEntre RíosRuta provincial 42, Concepción del Uruguay1Pablo Bruni
234834325/07/2025ArgentinaEntre RíosTermas de Basavilbaso, Concepción del UruguayEdgar Romeo
214579808/09/2024ArgentinaEntre RíosRuta Nacional 14, Concepción del Uruguay2Santiago Juan Torres
214564908/09/2024ArgentinaEntre RíosRuta Nacional 14, Concepción del Uruguay2Jorge La Grotteria
192075025/11/2023ArgentinaEntre RíosEstancia La Titina, Concepción del Uruguay1Patricia Beatriz Benitez
191770625/11/2023ArgentinaEntre RíosEstancia La Titina, Concepción del Uruguay1Pablo Bruni
148437703/10/2021ArgentinaEntre RíosEstancia La Titina, Concepción del Uruguay2Jorge Fernando Di Laudo
148070302/10/2021ArgentinaEntre RíosEstancia La Titina, Concepción del Uruguay2Jorge Fernando Di Laudo
144011301/08/2021ArgentinaEntre RíosConcepción del Uruguay1Jorge La Grotteria
143880301/08/2021ArgentinaEntre RíosConcepción del Uruguay1María Alejandra Sosa
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 21/09/2026.