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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 Beccar

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: 460761
  Adult

Beccar
Buenos Aires
Argentina
08/29/2021
Diego Alfonso Rosa
Foto
Photography ID: 402100
  Adult

Beccar
Buenos Aires
Argentina
06/26/2020
Diego Alfonso Rosa
Foto
Photography ID: 401922
  Adult

Beccar
Buenos Aires
Argentina
06/23/2020
Diego Alfonso Rosa
Foto
Photography ID: 401921
  Adult

Beccar
Buenos Aires
Argentina
06/23/2020
Diego Alfonso Rosa
Foto
Photography ID: 401275
  Adult

Beccar
Buenos Aires
Argentina
06/15/2020
Diego Alfonso Rosa
Foto
Photography ID: 152375
  Adult

Beccar
Buenos Aires
Argentina
07/17/2009
Diego Alfonso Rosa
Foto
Photography ID: 152374
  Adult

Beccar
Buenos Aires
Argentina
05/10/2016
Diego Alfonso Rosa
Foto
Photography ID: 152373
  Juvenile

Beccar
Buenos Aires
Argentina
01/05/2013
Diego Alfonso Rosa
Foto
Photography ID: 152372
  Adult

Beccar
Buenos Aires
Argentina
04/07/2013
Diego Alfonso Rosa
Foto
Photography ID: 152371
  Adult

Beccar
Buenos Aires
Argentina
09/29/2012
Diego Alfonso Rosa



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
145881429/08/2021ArgentinaBuenos AiresBeccar, BeccarDiego Alfonso Rosa
126570026/06/2020ArgentinaBuenos AiresBeccar, BeccarDiego Alfonso Rosa
126538623/06/2020ArgentinaBuenos AiresBeccar, BeccarDiego Alfonso Rosa
126419215/06/2020ArgentinaBuenos AiresBeccar, BeccarDiego Alfonso Rosa
44044610/05/2016ArgentinaBuenos AiresBeccarDiego Alfonso Rosa
44044407/04/2013ArgentinaBuenos AiresBeccarDiego Alfonso Rosa
44044505/01/2013ArgentinaBuenos AiresBeccarDiego Alfonso Rosa
44044329/09/2012ArgentinaBuenos AiresBeccarDiego Alfonso Rosa
44044717/07/2009ArgentinaBuenos AiresBeccarDiego Alfonso Rosa
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 25/03/2026.