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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 Monte Hermoso

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: 566597
  Adult

Monte Hermoso
Buenos Aires
Argentina
01/20/2024
Lucas Martín
Foto
Photography ID: 329788
  Adult

Monte Hermoso
Buenos Aires
Argentina
04/13/2019
Roberto Battaglia
Foto
Photography ID: 319163
  Adult

Monte Hermoso
Buenos Aires
Argentina
02/19/2019
Nicolas Chimento
Foto
Photography ID: 77311
  Adult

Monte Hermoso
Buenos Aires
Argentina
01/06/2015
Pablo Chafrat
Foto
Photography ID: 23166
  Adult

Monte Hermoso
Buenos Aires
Argentina
06/15/2013
Luis F.Moreno



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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
225527203/03/202507:41ArgentinaBuenos AiresDel Abadejo 1413, Monte Hermoso1Santiago Juan Torres
225525303/03/202507:17ArgentinaBuenos AiresLas Ballenas 875, Monte Hermoso1Santiago Juan Torres
225490601/03/202516:37ArgentinaBuenos AiresRodriguez Peña 750, Monte Hermoso1Santiago Juan Torres
225489301/03/202511:36ArgentinaBuenos AiresRodriguez Peña, Monte Hermoso2Santiago Juan Torres
225477501/03/202508:39ArgentinaBuenos AiresLas Ballenas 764, Monte Hermoso2Santiago Juan Torres
195424920/01/2024ArgentinaBuenos AiresMonte HermosoLucas Martín
91615113/04/2019ArgentinaBuenos AiresCentro Turístico Ymcamar, Monte HermosoRoberto Battaglia
89128619/02/2019ArgentinaBuenos AiresMonte HermosoNicolas Chimento
94350119/11/2018ArgentinaBuenos AiresMonte HermosoJorgelina Lopez
36014710/10/2015ArgentinaBuenos AiresLaguna Sauce Grande, Monte HermosoVictoria Herrera
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.