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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 Concordia

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: 675639
  Adult

Concordia
Entre Ríos
Argentina
01/02/2026
Jorge La Grotteria
Foto
Photography ID: 667343
 
Concordia
Entre Ríos
Argentina
12/28/2025
María Alejandra Sosa
Foto
Photography ID: 667342
 
Concordia
Entre Ríos
Argentina
12/28/2025
María Alejandra Sosa
Foto
Photography ID: 616039
 
Concordia
Entre Ríos
Argentina
12/24/2024
María Alejandra Sosa
Foto
Photography ID: 443226
♂ ♀
  Adult

Concordia
Entre Ríos
Argentina
06/14/2020
Omar Lagraña
Foto
Photography ID: 438926
 
Concordia
Entre Ríos
Argentina
11/27/2020
Pablo Bruni
Foto
Photography ID: 404460
  Adult

Concordia
Entre Ríos
Argentina
05/25/2020
Pablo Bruni
Foto
Photography ID: 185672
  Adult

Concordia
Entre Ríos
Argentina
01/16/2017
María Alejandra Sosa
Foto
Photography ID: 184649
  Adult

Concordia
Entre Ríos
Argentina
01/09/2017
María Alejandra Sosa
Foto
Photography ID: 76511
  Adult

Concordia
Entre Ríos
Argentina
01/08/2015
María Alejandra Sosa
Foto
Photography ID: 73222
  Immature

Concordia
Entre Ríos
Argentina
12/25/2014
María Alejandra Sosa
Foto
Photography ID: 36217
  Juvenile

Concordia
Entre Ríos
Argentina
01/27/2014
María Alejandra Sosa



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Pablo Bruni03/12/2024ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni11/11/2023ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni01/18/2022ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo



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Last Filmings published




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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
244702315/03/2026ArgentinaEntre RíosDistrito Yuquerí, Concordia1Pablo Bruni
243227908/02/2026ArgentinaEntre RíosVilla Zorraquin, Concordia3Pablo Bruni
241971422/01/202609:38ArgentinaEntre RíosRemedios Escalada De San Martin 1205, Concordia1Jorge La Grotteria
241950322/01/202609:38ArgentinaEntre RíosRemedios Escalada De San Martin 1205, Concordia1María Alejandra Sosa
241990121/01/202619:54ArgentinaEntre RíosLago Salto Grande, Concordia1María Alejandra Sosa
241934121/01/202619:54ArgentinaEntre RíosLago Salto Grande, Concordia1Jorge La Grotteria
241503811/01/202619:32ArgentinaEntre RíosHipólito Yrigoyen 3225, Concordia3Patricia Beatriz Benitez
241482610/01/202615:20ArgentinaEntre RíosConcordia1María Alejandra Sosa
241167007/01/202615:14ArgentinaEntre RíosRemedios Escalada De San Martin 1205, Concordia1Patricia Beatriz Benitez
240990603/01/202612:01ArgentinaEntre RíosConcordia3Jorge La Grotteria
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.