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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: 675572
  Adult

Chancani
Córdoba
Argentina
01/24/2026
Walter Bustamante
Foto
Photography ID: 665526
  Adult

Valle Hermoso
Córdoba
Argentina
12/31/2025
Walter Bustamante
Foto
Photography ID: 643490
  Adult

San Marcos Sierras
Córdoba
Argentina
02/09/2025
Walter Bustamante
Foto
Photography ID: 623526
  Adult

Chancani
Córdoba
Argentina
01/11/2025
Walter Bustamante
Foto
Photography ID: 620241
  Adult

María Grande
Entre Ríos
Argentina
07/17/2024
Walter Bustamante
Foto
Photography ID: 619708
  Adult

El Pingo
Entre Ríos
Argentina
07/17/2024
Walter Bustamante
Foto
Photography ID: 616026
  Adult

La Falda
Córdoba
Argentina
12/24/2024
Walter Bustamante
Foto
Photography ID: 605034
  Adult

Formosa
Formosa
Argentina
07/12/2024
Walter Bustamante
Foto
Photography ID: 590359
  Adult

La Falda
Córdoba
Argentina
06/11/2023
Walter Bustamante
Foto
Photography ID: 491736
  Adult

Cruz del Eje
Córdoba
Argentina
04/14/2022
Walter Bustamante
Foto
Photography ID: 441667
  Adult

La Falda
Córdoba
Argentina
08/28/2020
Walter Bustamante



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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
243976024/01/2026ArgentinaCórdobaParque Provincial Chancaní, ChancaniWalter Bustamante
240830831/12/2025ArgentinaCórdobaReserva Natural Vaquerías, Valle HermosoWalter Bustamante
232180709/02/2025ArgentinaCórdobaSan Marcos SierrasWalter Bustamante
225239311/01/2025ArgentinaCórdobaParque Provincial, ChancaniWalter Bustamante
221487024/12/2024ArgentinaCórdobaCamino a Pampa de Olaen, La FaldaWalter Bustamante
224594618/07/2024ArgentinaEntre RíosParque Nacional Pre-DeltaWalter Bustamante
224110917/07/2024ArgentinaEntre RíosMaría GrandeWalter Bustamante
223975117/07/2024ArgentinaEntre RíosEl PingoWalter Bustamante
217264612/07/2024ArgentinaFormosaReserva de Biósfera Laguna Oca, FormosaWalter Bustamante
210136111/06/2023ArgentinaCórdobaCamino a Pampa de Olaen, La FaldaWalter Bustamante
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.