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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




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Last published photographs

Foto
Photography ID: 313090
  Immature

Caseros
Buenos Aires
Argentina
01/26/2019
Jorge Fernando Di Laudo



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
241799018/01/202618:09ArgentinaBuenos AiresWenceslao de Tata 5345, Caseros3Nicolas Olejnik
231920713/07/202515:37ArgentinaBuenos AiresWenceslao de Tata 5345, CaserosNicolas Olejnik
228167301/05/202516:09ArgentinaBuenos AiresWenceslao de Tata 5323, CaserosNicolas Olejnik
191343819/11/2023ArgentinaBuenos AiresWenceslao de Tata 5323, CaserosNicolas Olejnik
162461315/08/2022ArgentinaBuenos AiresWenceslao de Tata 5318, CaserosNicolas Olejnik
162019807/08/2022ArgentinaBuenos AiresWenceslao de Tata 5311, CaserosNicolas Olejnik
145021622/08/2021ArgentinaBuenos AiresCaserosNicolas Olejnik
132096202/12/2020ArgentinaBuenos AiresValentín Gómez 4726, CaserosMauricio Secchi
97079111/09/2019ArgentinaBuenos Aires3 de Febrero 3042, CaserosFlorencia Zanel
87625226/01/2019ArgentinaBuenos AiresCedem Nro. 1, CaserosJorge Fernando Di Laudo
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 25/03/2026.