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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 9 de Julio

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: 201142
  Adult

9 de Julio
Buenos Aires
Argentina
05/02/2017
Carlos Hugo Amerio
Foto
Photography ID: 151050
  Adult

9 de Julio
Buenos Aires
Argentina
05/25/2016
Carlos Hugo Amerio
Foto
Photography ID: 143218
  Adult

9 de Julio
Buenos Aires
Argentina
03/16/2016
Eduardo Cusano
Foto
Photography ID: 23995
  Adult

9 de Julio
Buenos Aires
Argentina
09/02/2009
Carlos Hugo Amerio



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
226782830/03/202513:00ArgentinaBuenos AiresRuta Nacional 5 265, 9 de JulioSilvina Collado
170205514/01/2023ArgentinaBuenos AiresRuta Nacional 5, 9 de Julio1Jorge La Grotteria
170187814/01/2023ArgentinaBuenos AiresRuta Nacional 5, 9 de Julio1María Alejandra Sosa
149403614/11/2021ArgentinaBuenos Aires6500, 9 de Julio1Jorge La Grotteria
149392014/11/2021ArgentinaBuenos Aires6500, 9 de Julio1María Alejandra Sosa
83268504/11/2018ArgentinaBuenos AiresRuta Nacional 5, 9 de Julio1Jorge La Grotteria
57091002/05/2017ArgentinaBuenos Aires9 de JulioCarlos Hugo Amerio
43765825/05/2016ArgentinaBuenos Aires9 de JulioCarlos Hugo Amerio
41624416/03/2016ArgentinaBuenos Aires9 de JulioEduardo Cusano
6485002/09/2009ArgentinaBuenos Aires9 de JulioCarlos Hugo Amerio
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 17/03/2026.