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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 Colón

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: 580876
  Adult

Colón
Entre Ríos
Argentina
04/13/2024
Hugo Alberto Valderrey
Foto
Photography ID: 511374
  Adult

Colón
Entre Ríos
Argentina
10/22/2022
Ricardo Hack
Foto
Photography ID: 496526
  Adult

Colón
Entre Ríos
Argentina
02/05/2022
Daniel Osvaldo Fernández
Foto
Photography ID: 221312
  Adult

Colón
Entre Ríos
Argentina
07/23/2017
Victor Hugo Michelini
Foto
Photography ID: 98406
  Adult

Colón
Entre Ríos
Argentina
05/16/2015
Guillermo Treboux



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Last Vocalizations published




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Last Filmings published


Video ID: 5051
  Adult

Colón
Entre Ríos
Argentina
10/12/2021
Claudia Mora



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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
242046224/01/202618:14ArgentinaEntre RíosGouchon 12, Colón1Jorge La Grotteria
242041224/01/202618:14ArgentinaEntre RíosGouchon 12, Colón1María Alejandra Sosa
237866311/10/2025ArgentinaEntre RíosCamino a Parque Nacional El Palmar, Colón1Faustino Hollmann
237862911/10/2025ArgentinaEntre RíosParque Nacional El Palmar, Colón2Faustino Hollmann
228620908/05/202516:39ArgentinaEntre RíosLaguna cercana a las termas de Colón., Colón2Felipe Aguilar
227272312/04/2025ArgentinaEntre RíosRuta 38 cerca Ubajay, Colón3Pablo Bruni
225802331/01/2025ArgentinaEntre RíosColonia Ensanche Sauce, Colón1Pablo Eguia
211179516/07/2024ArgentinaEntre RíosEgido Colon, Colón5Bc_pajareritos Aguila Pescadora
211170016/07/2024ArgentinaEntre RíosEgido Colon, Colón5Felipe Aguilar
211040014/07/2024ArgentinaEntre RíosEgido Colon, Colón5Felipe Aguilar
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 19/03/2026.