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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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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: 396813
 
Santa Fe
Santa Fe
Argentina
04/26/2020
Gustavo Fernando Durán
Foto
Photography ID: 396708
 
Santa Fe
Santa Fe
Argentina
04/25/2020
Gustavo Fernando Durán
Foto
Photography ID: 396449
 
Santa Fe
Santa Fe
Argentina
04/24/2020
Gustavo Fernando Durán
Foto
Photography ID: 249894
  Adult

Santa Fe
Santa Fe
Argentina
02/23/2018
Gustavo Fernando Durán
Foto
Photography ID: 214545
  Adult

San Jerónimo Norte
Santa Fe
Argentina
08/13/2017
Gustavo Fernando Durán
Foto
Photography ID: 186026
  Adult

San Jerónimo Norte
Santa Fe
Argentina
09/04/2016
Gustavo Fernando Durán
Foto
Photography ID: 117342
  Adult

San Jerónimo Norte
Santa Fe
Argentina
10/04/2015
Gustavo Fernando Durán
Foto
Photography ID: 89861
  Adult

Santa Fe
Santa Fe
Argentina
02/20/2015
Gustavo Fernando Durán
Foto
Photography ID: 74854
  Adult

Santa Fe
Santa Fe
Argentina
11/27/2010
Gustavo Fernando Durán



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Gustavo Fernando Durán08/18/2014ArgentinaSanta FeCamino RuralSan Jerónimo NorteIndistinguishableAdultYesNo



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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
245539603/04/202613:03ArgentinaEntre RíosColón 108, Diamante1Gustavo Fernando Durán
245531703/04/202608:14ArgentinaEntre RíosAvenida Presidente Néstor Kirchner, Diamante1Gustavo Fernando Durán
245395829/03/202618:27ArgentinaSanta FeSan Jerónimo Norte1Gustavo Fernando Durán
245332329/03/202607:58ArgentinaSanta FeMariano Moreno 1343, San Jerónimo Norte1Gustavo Fernando Durán
245035023/03/202618:41ArgentinaSanta FeAvenida de Circunvalación de Santa Fe, Santa Fe de la Vera Cruz1Gustavo Fernando Durán
244935722/03/202608:05ArgentinaSanta FeMariano Moreno 1343, San Jerónimo Norte1Gustavo Fernando Durán
244311607/03/202608:50ArgentinaSanta Fe1º de Mayo 455, Santa Fe de la Vera Cruz1Gustavo Fernando Durán
244038601/03/202607:06ArgentinaSanta FeSarmiento 1362, San Jerónimo Norte2Gustavo Fernando Durán
243775122/02/202618:59ArgentinaSanta FeAvenida Lujan 2800, Santo Tomé1Gustavo Fernando Durán
243735122/02/202607:29ArgentinaSanta FePedro Perrig 365, San Jerónimo Norte1Gustavo Fernando Durán
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 12/04/2026.