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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: 410242
  Adult

San Marcos Sierras
Córdoba
Argentina
01/04/2015
Vicente Piccirillo
Foto
Photography ID: 407751
  Adult

Lanús
Buenos Aires
Argentina
11/29/2014
Vicente Piccirillo
Foto
Photography ID: 403075
  Adult

Lanús
Buenos Aires
Argentina
07/09/2015
Vicente Piccirillo
Foto
Photography ID: 403064
  Adult

Lanús
Buenos Aires
Argentina
05/22/2018
Vicente Piccirillo
Foto
Photography ID: 403062
  Adult

Lanús
Buenos Aires
Argentina
03/28/2018
Vicente Piccirillo
Foto
Photography ID: 401378
  Adult

Turdera
Buenos Aires
Argentina
06/16/2018
Vicente Piccirillo
Foto
Photography ID: 282824
  Adult

Delta del Paraná
Buenos Aires
Argentina
08/20/2018
Vicente Piccirillo
Foto
Photography ID: 274459
  Adult

Ciudad de Mendoza
Mendoza
Argentina
01/27/2018
Vicente Piccirillo
Foto
Photography ID: 233025
  Adult

Reconquista
Santa Fe
Argentina
02/26/2017
Vicente Piccirillo



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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
126662725/08/2018ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Lago LuganoVicente Piccirillo
79627320/08/2018ArgentinaBuenos AiresSobrenatural Parana mini, Delta del ParanáVicente Piccirillo
126441516/06/2018ArgentinaBuenos AiresParque Municipal Finky, TurderaVicente Piccirillo
126799822/05/2018ArgentinaBuenos AiresRemedios de escalada, LanúsVicente Piccirillo
126799628/03/2018ArgentinaBuenos AiresRemedios de escalada, LanúsVicente Piccirillo
77614527/01/2018ArgentinaMendozaCiudad de MendozaVicente Piccirillo
65677326/02/2017ArgentinaSanta FePuerto Reconquista y arededores - Jaaukanigás, ReconquistaVicente Piccirillo
66021610/01/2017ArgentinaRío NegroLas Grutas, Área Natural Protegida Bahía de San AntonioVicente Piccirillo
69115201/05/2016ArgentinaCiudad Autónoma de Buenos AiresCiudad Autónoma de Buenos AiresVicente Piccirillo
126800809/07/2015ArgentinaBuenos AiresRemedios de escalada, LanúsVicente Piccirillo
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.