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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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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: 657747
  Adult

Ceibas
Entre Ríos
Argentina
09/20/2025
Carlos De Biagi
Foto
Photography ID: 657533
  Adult

Ceibas
Entre Ríos
Argentina
09/19/2025
Carlos De Biagi
Foto
Photography ID: 635094
  Adult

Dique El Garabato
La Rioja
Argentina
04/13/2025
Carlos De Biagi
Foto
Photography ID: 634269
  Adult

Puerto Madryn
Chubut
Argentina
04/09/2025
Carlos De Biagi
Foto
Photography ID: 634230
  Adult

Puerto Madryn
Chubut
Argentina
04/09/2025
Carlos De Biagi
Foto
Photography ID: 633635
  Adult

Garayalde
Chubut
Argentina
04/07/2025
Carlos De Biagi
Foto
Photography ID: 631387
  Adult

Las Grutas
Río Negro
Argentina
03/27/2025
Carlos De Biagi
Foto
Photography ID: 631345
  Adult

San Antonio Oeste
Río Negro
Argentina
03/26/2025
Carlos De Biagi
Foto
Photography ID: 604281
  Adult

Dique El Saladillo
La Rioja
Argentina
09/07/2024
Carlos De Biagi



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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
243965924/02/2026ArgentinaLa RiojaReserva Natural Pampa de la Viuda AgustinaCarlos De Biagi
237944720/09/2025ArgentinaEntre RíosEntre Ceibas y laguna a 6 km al Este de Ceibas, CeibasCarlos De Biagi
237824519/09/2025ArgentinaEntre RíosCeibasCarlos De Biagi
236838515/09/2025ArgentinaBuenos AiresSan Nicolás de los ArroyosCarlos De Biagi
228923913/04/2025ArgentinaLa RiojaDique El GarabatoCarlos De Biagi
228837113/04/2025ArgentinaLa RiojaDique el Cisco, Departamento General Belgrano2Carlos De Biagi
228729909/04/2025ArgentinaChubutCementerio Parque, Puerto MadrynCarlos De Biagi
228725509/04/2025ArgentinaChubutLaguna de Puerto Madryn, Puerto MadrynCarlos De Biagi
228600407/04/2025ArgentinaChubutGarayaldeCarlos De Biagi
227678827/03/2025ArgentinaRío NegroCamping Oasis, Las GrutasCarlos De Biagi
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 05/04/2026.