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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: 438926
 
Concordia
Entre Ríos
Argentina
11/27/2020
Pablo Bruni
Foto
Photography ID: 404460
  Adult

Concordia
Entre Ríos
Argentina
05/25/2020
Pablo Bruni



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Pablo Bruni03/12/2024ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni11/11/2023ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni01/18/2022ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo



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Last Filmings published




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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
245717809/04/2026ArgentinaCiudad Autónoma de Buenos AiresPlaza Naciones Unidas, Recoleta1Pablo Bruni
245617604/04/2026ArgentinaSanta FeEx ruta 93 sector S, Melincué2Pablo Bruni
245487031/03/2026ArgentinaEntre RíosVilla Zorraquin, Concordia2Pablo Bruni
245172525/03/2026ArgentinaEntre RíosEco Parque Salto Grande, Concordia1Pablo Bruni
245169719/03/2026ArgentinaEntre RíosRuta provincial 42, Concepción del Uruguay1Pablo Bruni
245166918/03/2026ArgentinaEntre RíosCaminos rurales, Villa Elisa2Pablo Bruni
245162717/03/2026UruguaySaltoLaguna de las Garzas, Salto Grande2Pablo Bruni
244702315/03/2026ArgentinaEntre RíosDistrito Yuquerí, Concordia1Pablo Bruni
244675213/03/2026ArgentinaEntre RíosZona norte, Chajarí1Pablo Bruni
243233209/02/2026UruguaySaltoLaguna de las Garzas, Salto Grande2Pablo Bruni
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 12/04/2026.