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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: 591945
♂ ♀
 
Plottier
Neuquén
Argentina
12/17/2023
Tiziano Luka Pesci Rubilar
Foto
Photography ID: 588237
  Adult

Mercedes
Buenos Aires
Argentina
09/18/2022
Tiziano Luka Pesci Rubilar
Foto
Photography ID: 587161
  Adult

Neuquén capital
Neuquén
Argentina
12/13/2021
Tiziano Luka Pesci Rubilar
Foto
Photography ID: 586133
  Adult

Zapala
Neuquén
Argentina
11/07/2021
Tiziano Luka Pesci Rubilar
Foto
Photography ID: 585928
  Adult

Puerto Madryn
Chubut
Argentina
10/29/2021
Tiziano Luka Pesci Rubilar
Foto
Photography ID: 585188
  Adult

General Roca
Río Negro
Argentina
08/24/2021
Tiziano Luka Pesci Rubilar



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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
231621006/07/2025ArgentinaNeuquénJardin botánico, Plottier12Tiziano Luka Pesci Rubilar
226814329/03/2025ArgentinaRío NegroIsla Jordan, Cipolletti4Tiziano Luka Pesci Rubilar
211114115/07/2024ArgentinaNeuquénParque Agreste, Departamento Confluencia12Tiziano Luka Pesci Rubilar
211371117/12/2023ArgentinaNeuquénLa Herradura, PlottierTiziano Luka Pesci Rubilar
204706718/09/2022ArgentinaBuenos AiresChacra en Mercedes, MercedesTiziano Luka Pesci Rubilar
204339313/12/2021ArgentinaNeuquénParque Norte, Neuquén capitalTiziano Luka Pesci Rubilar
204012507/11/2021ArgentinaNeuquénZapalaTiziano Luka Pesci Rubilar
203967229/10/2021ArgentinaChubutPuerto MadrynTiziano Luka Pesci Rubilar
203697524/08/2021ArgentinaRío NegroLa Jarilla, General RocaTiziano Luka Pesci Rubilar
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 29/03/2026.