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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: 322449
  Adult

Achiras
Córdoba
Argentina
02/01/2019
Miguel A Villarruel
Foto
Photography ID: 234579
  Adult

El Trapiche
San Luis
Argentina
11/21/2017
Miguel A Villarruel
Foto
Photography ID: 234426
  Adult

El Trapiche
San Luis
Argentina
11/20/2017
Miguel A Villarruel
Foto
Photography ID: 234384
  Adult

El Trapiche
San Luis
Argentina
11/19/2017
Miguel A Villarruel
Foto
Photography ID: 234373
  Adult

El Trapiche
San Luis
Argentina
11/18/2017
Miguel A Villarruel
Foto
Photography ID: 220990
  Adult

Guaymallén
Mendoza
Argentina
08/28/2017
Miguel A Villarruel
Foto
Photography ID: 219757
  Adult

Guaymallén
Mendoza
Argentina
05/14/2017
Miguel A Villarruel
Foto
Photography ID: 183223
  Adult

Bas San Jose
Mendoza
Argentina
11/05/2016
Miguel A Villarruel
Foto
Photography ID: 173364
  Adult

Villa de Merlo
San Luis
Argentina
07/14/2012
Miguel A Villarruel
Foto
Photography ID: 173363
  Adult

Villa de Merlo
San Luis
Argentina
07/14/2012
Miguel A Villarruel



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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
89702101/02/2019ArgentinaCórdobaCabañas sierras del sol, AchirasMiguel A Villarruel
66020721/11/2017ArgentinaSan LuisDique la florida, El TrapicheMiguel A Villarruel
65990720/11/2017ArgentinaSan LuisRio grande, El TrapicheMiguel A Villarruel
65987419/11/2017ArgentinaSan LuisRio grande, El TrapicheMiguel A Villarruel
65986518/11/2017ArgentinaSan LuisRio grande, El TrapicheMiguel A Villarruel
62094928/08/2017ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
61756614/05/2017ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
52135005/11/2016ArgentinaMendozaRuta 40 km 3374-san jose-las heras, Bas San JoseMiguel A Villarruel
49846514/07/2016ArgentinaSan LuisSitio de arte rupestre, San Francisco del Monte de OroMiguel A Villarruel
49781108/02/2014ArgentinaMendozaRuta 40 km 3374-san jose-las heras, Bas San JoseMiguel A Villarruel
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.