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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 Área Natural Protegida Dique Ingeniero Roggero

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
231360411/05/2024ArgentinaBuenos AiresÁrea Natural Protegida Dique Ingeniero Roggero1Bautista Osorio
153606612/12/2021ArgentinaBuenos AiresLa Reja, Área Natural Protegida Dique Ingeniero Roggero1Jorge Fernando Di Laudo
131052631/10/2020ArgentinaBuenos AiresLa Reja, Área Natural Protegida Dique Ingeniero Roggero3Jorge Fernando Di Laudo
121248816/02/2020ArgentinaBuenos AiresParque Ecológico y Museo de Historia Natural Francisco J. Muñíz, Área Natural Protegida Dique Ingeniero RoggeroJorge Fernando Di Laudo
93904202/07/2019ArgentinaBuenos AiresParque y Reserva Natural Municipal Los Robles, Área Natural Protegida Dique Ingeniero RoggeroNicolas Olejnik
91855104/05/2019ArgentinaBuenos AiresÁrea Natural Protegida Dique Ingeniero RoggeroRomán Montero
65542409/12/2017ArgentinaBuenos AiresParque y Reserva Natural Municipal Los Robles, Área Natural Protegida Dique Ingeniero RoggeroNicolas Olejnik
64640025/11/2017ArgentinaBuenos AiresÁrea Natural Protegida Dique Ingeniero RoggeroRomán Montero
63939611/11/2017ArgentinaBuenos AiresParque y Reserva Natural Municipal Los Robles, Área Natural Protegida Dique Ingeniero RoggeroNicolas Olejnik
40281214/02/2016ArgentinaBuenos AiresParque y Reserva Natural Municipal Los Robles, Área Natural Protegida Dique Ingeniero RoggeroSebastián Martín Santiago
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.