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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 Ensenada

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: 610861
  Adult

Ensenada
Buenos Aires
Argentina
10/28/2023
Walter Omar Buffarini
Foto
Photography ID: 278892
  Adult

Ensenada
Buenos Aires
Argentina
05/13/2012
Lucas Sanz
Foto
Photography ID: 268158
  Adult

Ensenada
Buenos Aires
Argentina
06/02/2018
Gustavo Adolfo Herrera
Foto
Photography ID: 211440
  Adult

Ensenada
Buenos Aires
Argentina
07/22/2017
Gustavo Adolfo Herrera
Foto
Photography ID: 167500
  Adult

Ensenada
Buenos Aires
Argentina
09/17/2016
Diego Varales
Foto
Photography ID: 133009
  Adult

Ensenada
Buenos Aires
Argentina
01/10/2016
Diego Varales
Foto
Photography ID: 76319
  Adult

Ensenada
Buenos Aires
Argentina
01/10/2015
Diego Varales
Foto
Photography ID: 22515
  Adult

Ensenada
Buenos Aires
Argentina
10/15/2011
José Luis Lamela



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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
241283608/01/2026ArgentinaBuenos AiresEnsenada1Diego Varales
242525901/11/2025ArgentinaBuenos AiresCalle 50 700–798,, Ensenada1Pablo Richter
242505501/11/2025ArgentinaBuenos AiresLaguna de los Patos, Ensenada1Pablo Richter
236067207/09/2025ArgentinaBuenos AiresEl Dique, Ensenada2Julian Uriel Collado
234869826/08/2025ArgentinaBuenos AiresLaguna de los Patos, EnsenadaWalter Liriel Gómez Umpierrez
220178128/11/2024ArgentinaBuenos AiresLaguna de los Patos, Ensenada5Gabriel Carbajales
218580709/11/2024ArgentinaBuenos AiresLaguna de los Patos, EnsenadaWalter Liriel Gómez Umpierrez
214709507/09/2024ArgentinaBuenos AiresLaguna de los Patos, EnsenadaDiego Varales
205070911/05/2024ArgentinaBuenos AiresPunta Lara--Camino Villa Elisa, Ensenada1Gabriel Kosciak
193791003/01/2024ArgentinaBuenos AiresEnsenada1Diego Varales
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 20/03/2026.