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Mimus saturninus

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 Área Protegida Municipal Laguna Cacique Chiquichano

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





Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 385838
  Fledgling

Trelew
Chubut
Argentina
02/17/2020
Zulima América Schupbach
Foto
Photography ID: 385837
  Fledgling

Trelew
Chubut
Argentina
02/17/2020
Zulima América Schupbach
Foto
Photography ID: 372594
  Adult

Trelew
Chubut
Argentina
12/31/2019
Zulima América Schupbach
Foto
Photography ID: 372418
  Adult

Trelew
Chubut
Argentina
01/06/2020
Zulima América Schupbach
Foto
Photography ID: 370893
  Adult

Trelew
Chubut
Argentina
01/01/2020
Zulima América Schupbach
Foto
Photography ID: 359364
  Adult

Trelew
Chubut
Argentina
10/24/2019
Zulima América Schupbach
Foto
Photography ID: 326384
  Adult

Trelew
Chubut
Argentina
03/16/2019
Zulima América Schupbach
Foto
Photography ID: 314407
  Adult

Trelew
Chubut
Argentina
01/10/2019
Zulima América Schupbach
Foto
Photography ID: 237531
  Adult

Trelew
Chubut
Argentina
01/05/2018
Zulima América Schupbach
Foto
Photography ID: 229815
  Adult

Trelew
Chubut
Argentina
01/18/2015
Zulima América Schupbach



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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
156307016/01/2022ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, Trelew2Eugenia Boggiano
120599317/02/2020ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
116125606/01/2020ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
115615901/01/2020ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
116211731/12/2019ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
112204424/10/2019ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
90651416/03/2019ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
123664010/02/2019ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, Trelew3Eugenia Boggiano
88081210/01/2019ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
66804105/01/2018ArgentinaChubutÁrea Protegida Municipal Laguna Cacique Chiquichano, TrelewZulima América Schupbach
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) – Species account. Accessed from www.ecoregistros.org on 01/10/2026.