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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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Records from Guaymallén

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: 666446
  Juvenile

Guaymallén
Mendoza
Argentina
01/08/2026
Damián Carnevale
Foto
Photography ID: 581014
  Adult

Guaymallén
Mendoza
Argentina
04/20/2024
Damián Carnevale
Foto
Photography ID: 407468
  Adult

Guaymallén
Mendoza
Argentina
08/11/2020
Cesar Javier Paredes
Foto
Photography ID: 367649
  Adult

Guaymallén
Mendoza
Argentina
12/11/2019
Cesar Javier Paredes
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: 173212
  Adult

Guaymallén
Mendoza
Argentina
02/24/2013
Miguel A Villarruel
Foto
Photography ID: 173211
  Adult

Guaymallén
Mendoza
Argentina
02/24/2013
Miguel A Villarruel
Foto
Photography ID: 173210
  Adult

Guaymallén
Mendoza
Argentina
02/24/2013
Miguel A Villarruel
Foto
Photography ID: 173209
  Adult

Guaymallén
Mendoza
Argentina
10/20/2012
Miguel A Villarruel
Foto
Photography ID: 173208
  Adult

Guaymallén
Mendoza
Argentina
09/19/2011
Miguel A Villarruel
Foto
Photography ID: 173207
  Adult

Guaymallén
Mendoza
Argentina
09/14/2011
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
241229508/01/2026ArgentinaMendozaDorrego, GuaymallénDamián Carnevale
202440420/04/2024ArgentinaMendozaDorrego, GuaymallénDamián Carnevale
127935411/08/2020ArgentinaMendozaCorralitos, GuaymallénCesar Javier Paredes
114671911/12/2019ArgentinaMendozaCorralitos, GuaymallénCesar Javier Paredes
62094928/08/2017ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
61756614/05/2017ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
49781024/02/2013ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
49780920/10/2012ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
49780819/09/2011ArgentinaMendozaSan francisco del monte, GuaymallénMiguel A Villarruel
49780714/09/2011ArgentinaMendozaSan francisco del monte, GuaymallénMiguel 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 23/03/2026.