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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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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: 641015
  Adult

Colonia Durán
Santa Fe
Argentina
06/28/2025
Maximiliano Sager
Foto
Photography ID: 497475
  Adult

Vera
Santa Fe
Argentina
06/18/2022
Maximiliano Sager
Foto
Photography ID: 495735
  Adult

Paraje El Ceibo
Santa Fe
Argentina
06/04/2022
Maximiliano Sager
Foto
Photography ID: 492941
  Adult

La Sarnosa
Santa Fe
Argentina
04/23/2022
Maximiliano Sager
Foto
Photography ID: 484301
 
Rp 96s
Santa Fe
Argentina
02/28/2022
Maximiliano Sager
Foto
Photography ID: 455086
  Adult

Alejandra
Santa Fe
Argentina
07/24/2021
Maximiliano Sager
Foto
Photography ID: 258404
  Adult

Colonia Nueva Romang
Santa Fe
Argentina
04/01/2018
Maximiliano Sager
Foto
Photography ID: 157566
  Adult

Alejandra
Santa Fe
Argentina
07/17/2016
Maximiliano Sager
Foto
Photography ID: 138012
  Adult

Romang
Santa Fe
Argentina
02/14/2016
Maximiliano Sager



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 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
233302909/07/2025ArgentinaSanta FeColonia Sager - La Perla1Maximiliano Sager
232178606/07/2025ArgentinaSanta FeArroyo Malabriguito, Colonia Nueva Romang1Maximiliano Sager
232022005/07/2025ArgentinaSanta FeCañada en Camino Rural Vera3Maximiliano Sager
232018005/07/2025ArgentinaSanta FeLaguna El Bonete (departamento Vera)2Maximiliano Sager
231152428/06/2025ArgentinaSanta FeEstablecimiento Don José, Colonia Durán4Maximiliano Sager
229808807/06/2025ArgentinaSanta FeColonia Sager - La Perla1Maximiliano Sager
229428901/06/2025ArgentinaSanta FeCañada de grass, Calchaquí2Maximiliano Sager
229442931/05/2025ArgentinaSanta FeBañados de pato fierro4Maximiliano Sager
229439431/05/2025ArgentinaSanta FePraderas del Batitu, San Javier8Maximiliano Sager
229130922/05/2025ArgentinaSanta FeParaje Los Osos1Maximiliano Sager
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 26/09/2026.