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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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Records from Lagunas de Punta Mogotes

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: 693871
  Adult

Mar del Plata
Buenos Aires
Argentina
07/06/2025
José Luis Ianiro
Foto
Photography ID: 610167
  Adult

Mar del Plata
Buenos Aires
Argentina
09/21/2024
José Luis Ianiro
Foto
Photography ID: 609261
  Adult

Mar del Plata
Buenos Aires
Argentina
07/09/2024
José Luis Ianiro
Foto
Photography ID: 540711
  Adult

Mar del Plata
Buenos Aires
Argentina
06/10/2023
José Luis Ianiro
Foto
Photography ID: 540588
  Adult

Mar del Plata
Buenos Aires
Argentina
06/04/2023
José Luis Ianiro
Foto
Photography ID: 321098
  Adult

Mar del Plata
Buenos Aires
Argentina
03/10/2019
Natalia Soledad Herrada
Foto
Photography ID: 250171
  Adult

Mar del Plata
Buenos Aires
Argentina
02/24/2018
Victor Hugo Michelini
Foto
Photography ID: 208855
  Adult

Mar del Plata
Buenos Aires
Argentina
03/08/2017
Walter Bustamante



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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
249161606/07/2025ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata8José Luis Ianiro
225581030/11/2024ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata4José Luis Ianiro
219760521/09/2024ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del PlataJosé Luis Ianiro
219103109/07/2024ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del PlataJosé Luis Ianiro
192422317/10/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata3Enrique Chiurla
192367917/10/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata3Victor Hugo Michelini
190270914/10/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata4José Luis Ianiro
178821410/06/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata6José Luis Ianiro
178804104/06/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata7José Luis Ianiro
178065705/02/2023ArgentinaBuenos AiresLagunas de Punta Mogotes, Mar del Plata3José Luis Ianiro
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.