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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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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: 354399
  Adult

General Lavalle
Buenos Aires
Argentina
10/06/2019
Pablo Adrián Otero
Foto
Photography ID: 352861
  Adult

Victoria
Entre Ríos
Argentina
07/27/2015
Pablo Adrián Otero



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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
161555524/07/2022ArgentinaCórdobaReserva Ambiental Aguada de los Pájaros, Villa RumipalPablo Adrián Otero
161350023/07/2022ArgentinaCórdobaFamatina 26, Villa General BelgranoPablo Adrián Otero
159336412/06/2022ArgentinaBuenos AiresCamino Rural desde Entrada Santa Teresita hacia General Lavalle, General LavallePablo Adrián Otero
111489820/10/2019ArgentinaBuenos AiresCamino Rural desde Entrada Santa Teresita hacia General Lavalle, General LavallePablo Adrián Otero
110617806/10/2019ArgentinaBuenos AiresRuta vieja (altura Santa Teresita), General LavallePablo Adrián Otero
102871705/08/2019ArgentinaBuenos AiresEstancia La Isolina, General LavallePablo Adrián Otero
109949327/07/2019ArgentinaBuenos AiresAlsina, BaraderoPablo Adrián Otero
110111621/07/2017ArgentinaSan LuisCarpinteríaPablo Adrián Otero
105795815/11/2015ArgentinaBuenos AiresLaguna La Brava - Zona Camping Ruca Lauquen, BalcarcePablo Adrián Otero
105627327/07/2015ArgentinaEntre RíosComplejo de Cabañas Los Ceibos, VictoriaPablo Adrián Otero
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 26/09/2026.