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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 Navarro

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: 570380
  Adult

Navarro
Buenos Aires
Argentina
02/13/2024
Silvia Sokolovsky
Foto
Photography ID: 565400
  Adult

Navarro
Buenos Aires
Argentina
01/15/2024
Silvia Sokolovsky
Foto
Photography ID: 556274
  Adult

Navarro
Buenos Aires
Argentina
11/18/2023
Silvia Sokolovsky
Foto
Photography ID: 507160
  Adult

Navarro
Buenos Aires
Argentina
09/10/2022
Silvia Sokolovsky
Foto
Photography ID: 493482
  Adult

Navarro
Buenos Aires
Argentina
05/14/2022
Silvia Sokolovsky
Foto
Photography ID: 462113
  Adult

Navarro
Buenos Aires
Argentina
09/18/2021
Silvia Sokolovsky
Foto
Photography ID: 379077
  Adult

Navarro
Buenos Aires
Argentina
01/29/2020
Silvia Sokolovsky
Foto
Photography ID: 357533
  Adult

Navarro
Buenos Aires
Argentina
10/19/2019
Diego Trillo



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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
242430419/10/2025ArgentinaBuenos AiresLaguna De Navarro, Navarro1Pablo Richter
236474315/09/2025ArgentinaBuenos AiresLaguna De Navarro, Navarro4Gabriel Carbajales
235778513/09/2025ArgentinaBuenos AiresLaguna De Navarro, NavarroWalter Liriel Gómez Umpierrez
235595809/09/2025ArgentinaBuenos AiresLaguna De Navarro, NavarroHernán Tolosa
240485406/09/2025ArgentinaBuenos AiresLaguna De Navarro, Navarro3Pablo Richter
235647406/09/2025ArgentinaBuenos AiresLaguna De Navarro, NavarroJorgelina Lopez
235320906/09/2025ArgentinaBuenos AiresLaguna De Navarro, NavarroHernán Tolosa
235301005/09/2025ArgentinaBuenos AiresLaguna De Navarro, Navarro6Alec Earnshaw
197331013/02/2024ArgentinaBuenos AiresLaguna De Navarro, NavarroSilvia Sokolovsky
194885915/01/2024ArgentinaBuenos AiresLaguna, NavarroSilvia Sokolovsky
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.