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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 Parque 3 de Febrero

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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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
246788706/05/2026ArgentinaCiudad Autónoma de Buenos AiresLago del Rosedal, Parque 3 de FebreroNicolas Olejnik
239253825/11/2025ArgentinaCiudad Autónoma de Buenos AiresLago del Rosedal, Parque 3 de FebreroNicolas Olejnik
224717716/02/2025ArgentinaCiudad Autónoma de Buenos AiresRosedal de Palermo, Parque 3 de FebreroLucas Peluffo
224717616/02/2025ArgentinaCiudad Autónoma de Buenos AiresRosedal de Palermo, Parque 3 de FebreroLucas Peluffo
202499220/04/2024ArgentinaCiudad Autónoma de Buenos AiresRosedal de Palermo, Parque 3 de Febrero9Sebastián Otero
177539904/06/2023ArgentinaCiudad Autónoma de Buenos AiresLago del Planetario, Parque 3 de Febrero2Pablo Bruni
173256028/02/2023ArgentinaCiudad Autónoma de Buenos AiresParque 3 de Febrero2Diego Oscar
161955831/07/2022ArgentinaCiudad Autónoma de Buenos AiresRosedal de Palermo, Parque 3 de Febrero15Sebastián Otero
134793411/01/2021ArgentinaCiudad Autónoma de Buenos AiresParque Olímpico, Parque 3 de FebreroDiego Carus
120825929/02/2020ArgentinaCiudad Autónoma de Buenos AiresParque 3 de FebreroGonzalo Diaz
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.