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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 Rosario

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: 632769
  Adult

Rosario
Santa Fe
Argentina
05/01/2025
Peter Vidana
Foto
Photography ID: 632212
  Adult

Rosario
Santa Fe
Argentina
04/25/2025
Gaston Lisandro Gabinetti
Foto
Photography ID: 628786
  Adult

Rosario
Santa Fe
Argentina
03/30/2025
Peter Vidana
Foto
Photography ID: 624782
  Immature

Rosario
Santa Fe
Argentina
01/09/2025
Peter Vidana
Foto
Photography ID: 618393
  Adult

Rosario
Santa Fe
Argentina
12/04/2021
Peter Vidana
Foto
Photography ID: 588575
  Adult

Rosario
Santa Fe
Argentina
11/20/2016
Peter Vidana
Foto
Photography ID: 505054
  Adult

Rosario
Santa Fe
Argentina
08/23/2022
Maria Virginia Cañete
Foto
Photography ID: 419177
  Adult

Rosario
Santa Fe
Argentina
11/15/2020
Eduardo Battaglini
Foto
Photography ID: 410529
  Adult

Rosario
Santa Fe
Argentina
08/11/2020
Andrés Cecconi
Foto
Photography ID: 406335
  Adult

Rosario
Santa Fe
Argentina
07/31/2020
Eduardo Battaglini
Foto
Photography ID: 402778
  Adult

Rosario
Santa Fe
Argentina
07/04/2020
Eduardo Battaglini
Foto
Photography ID: 396769
  Adult

Rosario
Santa Fe
Argentina
05/02/2020
Eduardo Battaglini



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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
228489307/05/2025ArgentinaSanta FeMonumento a la Bandera, RosarioAdrian Braidotti
228350405/05/2025ArgentinaSanta FeMonumento a la Bandera, RosarioAdrian Braidotti
228177601/05/2025ArgentinaSanta FeParque Urquiza, RosarioPeter Vidana
228045225/04/2025ArgentinaSanta FeBosque de los Constituyentes, RosarioGaston Lisandro Gabinetti
226984003/04/2025ArgentinaSanta FeParque sunchales, Rosario2Pablo Bruni
226794530/03/2025ArgentinaSanta FeBosque centenario kehilá de Rosario, RosarioPeter Vidana
225809509/01/2025ArgentinaSanta FeParque España, RosarioPeter Vidana
213304216/08/2024ArgentinaSanta FeAvenida de la Libertad 320, RosarioSantiago Juan Torres
197768324/02/2024ArgentinaSanta FeSanta Fe 3264, Rosario2Gustavo Fernando Durán
180710210/08/2023ArgentinaSanta FeJunín 501, S2013DJK, RosarioSantiago Juan Torres
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 18/03/2026.