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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 San Pedro

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: 561596
  Adult

San Pedro
Buenos Aires
Argentina
08/21/2021
Adrian Dario Barboza
Foto
Photography ID: 306300
  Adult

San Pedro
Buenos Aires
Argentina
01/07/2018
Pablo Marcelo Meyer
Foto
Photography ID: 306297
  Adult

San Pedro
Buenos Aires
Argentina
01/07/2018
Pablo Marcelo Meyer
Foto
Photography ID: 160266
 
San Pedro
Buenos Aires
Argentina
02/01/2009
Rodolfo Capdevielle



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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
246054718/04/202617:09ArgentinaBuenos AiresLucio Mansilla 810, San Pedro1Jorge La Grotteria
246050318/04/202611:49ArgentinaBuenos AiresLucio Mansilla 12000, San Pedro2Jorge La Grotteria
246005218/04/202617:09ArgentinaBuenos AiresLucio Mansilla 810, San Pedro1María Alejandra Sosa
246000718/04/202611:49ArgentinaBuenos AiresLucio Mansilla 12000, San Pedro2María Alejandra Sosa
146400818/09/2021ArgentinaBuenos AiresComplejo Vista al Río, San Pedro3Angel Siguen
193458521/08/2021ArgentinaBuenos AiresSan PedroAdrian Dario Barboza
118793809/02/2020ArgentinaBuenos AiresPaseo Público 2, San Pedro2Sebastián Otero
96999210/09/2019ArgentinaBuenos AiresSanta Lucia, San Pedro6Fernando Miranda
95711902/08/2019ArgentinaBuenos AiresSan PedroDiego Varales
70338420/02/2018ArgentinaBuenos AiresComplejo Vistalrío, San PedroMarcelo Gavensky
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 20/09/2026.