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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 San Miguel del Monte

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: 668990
  Adult

San Miguel del Monte
Buenos Aires
Argentina
01/22/2026
Jorgelina Lopez
Foto
Photography ID: 631455
  Adult

San Miguel del Monte
Buenos Aires
Argentina
04/18/2025
Lucas De Ciria
Foto
Photography ID: 587533
  Adult

San Miguel del Monte
Buenos Aires
Argentina
06/16/2024
Lucas De Ciria
Foto
Photography ID: 562623
  Adult

San Miguel del Monte
Buenos Aires
Argentina
01/01/2024
Hernán Tolosa
Foto
Photography ID: 562581
  Adult

San Miguel del Monte
Buenos Aires
Argentina
01/01/2024
Jorgelina Lopez
Foto
Photography ID: 552175
  Adult

San Miguel del Monte
Buenos Aires
Argentina
10/07/2023
Hernán Tolosa
Foto
Photography ID: 535373
  Adult

San Miguel del Monte
Buenos Aires
Argentina
05/13/2023
Hernán Tolosa
Foto
Photography ID: 493601
  Adult

San Miguel del Monte
Buenos Aires
Argentina
04/24/2022
Hernán Tolosa
Foto
Photography ID: 402392
  Adult

San Miguel del Monte
Buenos Aires
Argentina
06/26/2020
Hernán Tolosa
Foto
Photography ID: 402242
  Adult

San Miguel del Monte
Buenos Aires
Argentina
06/28/2020
Hernán Tolosa
Foto
Photography ID: 400885
  Adult

San Miguel del Monte
Buenos Aires
Argentina
06/14/2020
Hernán Tolosa



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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
244293006/03/2026ArgentinaBuenos AiresFrancisco A. Berra, San Miguel del Monte3Diego Oscar
243131608/02/2026ArgentinaBuenos AiresSan Miguel del MonteJorgelina Lopez
243052308/02/2026ArgentinaBuenos AiresSan Miguel del MonteHernán Tolosa
241982722/01/2026ArgentinaBuenos AiresSan Miguel del MonteJorgelina Lopez
239689507/12/2025ArgentinaBuenos AiresSan Miguel del MonteHernán Tolosa
234919430/08/2025ArgentinaBuenos AiresLa Blanqueada, San Miguel del MonteHernán Tolosa
231610506/07/2025ArgentinaBuenos AiresSan Miguel del MonteHernán Tolosa
229577510/05/2025ArgentinaBuenos AiresLaguna de Monte, San Miguel del Monte2Julian Uriel Collado
227733618/04/2025ArgentinaBuenos AiresSan Miguel del MonteLucas De Ciria
228036605/04/2025ArgentinaBuenos AiresFrancisco A. Berra, San Miguel del Monte7Diego Oscar
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 19/03/2026.