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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 Necochea

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: 522976
  Adult

Necochea
Buenos Aires
Argentina
09/16/2008
Ramon Moller Jensen
Foto
Photography ID: 505614
  Adult

Necochea
Buenos Aires
Argentina
08/18/2022
Eduardo Cusano
Foto
Photography ID: 391278
  Fledgling

Necochea
Buenos Aires
Argentina
01/17/2020
Fernando Alberto Segura
Foto
Photography ID: 385669
  Adult

Necochea
Buenos Aires
Argentina
01/19/2020
Andrés Cecconi
Foto
Photography ID: 380447
  Adult

Necochea
Buenos Aires
Argentina
01/02/2020
Manuel Godoy
Foto
Photography ID: 379511
  Adult

Necochea
Buenos Aires
Argentina
02/02/2020
Natalia Soledad Herrada
Foto
Photography ID: 299793
  Adult

Necochea
Buenos Aires
Argentina
11/17/2018
Roberto Battaglia
Foto
Photography ID: 240969
  Fledgling

Necochea
Buenos Aires
Argentina
01/14/2018
Fernando Alberto Segura
Foto
Photography ID: 68435
  Adult

Necochea
Buenos Aires
Argentina
01/27/2013
Gustavo Kin
Foto
Photography ID: 47413
  Adult

Necochea
Buenos Aires
Argentina
08/04/2013
Jorge Iriberri



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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
240493228/12/202510:02ArgentinaBuenos AiresCalle 87 315, Necochea1Santiago Juan Torres
231295501/07/2025ArgentinaBuenos AiresEscollera Sur, Necochea1Lautaro Pereira
231249321/06/2025ArgentinaBuenos AiresEscollera Sur, Necochea4Gabriel Carbajales
231246920/06/2025ArgentinaBuenos AiresCosta bonita, Necochea2Gabriel Carbajales
231244320/06/2025ArgentinaBuenos AiresCamino ribereño del Rio Quequén Grande, Necochea1Gabriel Carbajales
214499707/09/2024ArgentinaBuenos AiresCosta bonita, Necochea2Susana Gomez
211007812/07/2024ArgentinaBuenos AiresCamino ribereño del Rio Quequén Grande, Necochea3Gabriel Carbajales
204976726/06/2024ArgentinaBuenos AiresCalle 63, NecocheaJorgelina Lopez
206250911/05/2024ArgentinaBuenos AiresNecochea, Necochea1Lautaro Pereira
206252213/04/2024ArgentinaBuenos AiresQuinta Carmen, Necochea2Lautaro Pereira
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 22/03/2026.