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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 Río de las Aves

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: 265035
  Adult

Ceibas
Entre Ríos
Argentina
04/14/2018
Diego Kondratzky



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
253149820/09/2026ArgentinaEntre RíosRío de las Aves, Ceibas1Gabriel Carbajales
244731215/03/2026ArgentinaEntre RíosRío de las Aves, CeibasDiego Oscar
227987208/03/2025ArgentinaEntre RíosRío de las Aves, Ceibas1Diego Oscar
225696424/02/2025ArgentinaEntre RíosRío de las Aves, Ceibas5Diego Oscar
214863107/09/2024ArgentinaEntre RíosRío de las Aves, Ceibas3Gabriel Carbajales
213364114/08/2024ArgentinaEntre RíosRío de las Aves, Ceibas3Gabriel Carbajales
200486629/02/2024ArgentinaEntre RíosRío de las Aves, Ceibas4Gabriel Carbajales
75688914/04/2018ArgentinaEntre RíosRío de las Aves, CeibasDiego Kondratzky
26423829/03/2015ArgentinaEntre RíosRío de las Aves, CeibasFrancisco González Táboas
26436728/03/2015ArgentinaEntre RíosRío de las Aves, CeibasAlec Earnshaw
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 27/09/2026.