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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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Latest feeding records




Number of Photography: 3173




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Number of Recorded Vocalizations: 19



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
María Alejandra Sosa05/31/2025ArgentinaBuenos AiresManuel AlbertiN/AN/ANoNo
Pablo Bruni03/12/2024ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni11/11/2023ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Pablo Bruni01/18/2022ArgentinaEntre RíosVilla ZorraquinConcordiaN/AN/AYesNo
Diego Oscar04/17/2022ArgentinaBuenos AiresCamino E/ Saavedra y Abra el HinojoN/AN/AYesNo
Gustavo Fernando Durán08/18/2014ArgentinaSanta FeCamino RuralSan Jerónimo NorteIndistinguishableAdultYesNo
Nicolas Olejnik08/07/2011ArgentinaBuenos AiresReserva Natural del PilarN/AAdultNoNo
Nicolas Olejnik08/04/2011ArgentinaBuenos AiresReserva Natural del PilarN/AAdultNoNo
Luis Fernandez Campos01/07/2015ArgentinaCórdobaSan Antonio de Arredondo♂ ♀SeveralNoNo
Santiago Sainz-trápaga06/19/2014ArgentinaChubutRío ChubutValle Inferior del Río Chubut (VIRCH)IndistinguishableAdultYesNo
Carlos M. Grassini08/31/2014ArgentinaEntre RíosCalle Inmigrantes Percara entre 25 de Mayo y ruta 2ChajaríIndistinguishableAdultYesNo
Carlos M. Grassini05/06/2013ArgentinaEntre RíosCalle Siburu entre Udine y Av. V. Libertad (30°44´49.85"s; 58° 0´11.77"o)ChajaríIndistinguishableAdultYesNo
Jose Luis Merlo09/07/2011ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Jose Luis Merlo09/07/2011ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Diego Oscar05/14/2011ArgentinaBuenos AiresReserva Ecológica Vicente LópezIndistinguishableAdultYesNo
Jose Luis Merlo08/10/2006ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableN/ANoNo
Jose Luis Merlo02/14/2009ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Jose Luis Merlo04/10/2009ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Jose Luis Merlo06/19/2009ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo


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Number of Films: 21





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Number of Records: 21310



Page 1 of 2131
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
245977018/04/202612:53ArgentinaCiudad Autónoma de Buenos AiresJunín 1760, Buenos AiresNicolas Olejnik
245919415/04/2026ArgentinaBuenos AiresCerca de Herrera Vegas, HendersonJuan Manuel Canepa
245953714/04/2026ArgentinaBuenos AiresLa PlataGabriel Gorrín Armas
245949514/04/2026ArgentinaBuenos AiresCamino E/ Saavedra y Laguna los flamencos1Silvia Ana González
245842714/04/2026ArgentinaBuenos AiresCamino E/ Saavedra y Laguna los flamencos1Diego Oscar
245823014/04/2026ArgentinaBuenos AiresBarrio Parque Luro, Mar del Plata1Enrique Chiurla
245946413/04/2026ArgentinaBuenos AiresCamino E/ Saavedra y Monte de Lenny2Silvia Ana González
245942913/04/2026ArgentinaBuenos AiresAbra del Hinojo, Saavedra - Partido de Saavedra3Silvia Ana González
245839613/04/2026ArgentinaBuenos AiresCamino E/ Saavedra y Monte de Lenny2Diego Oscar
245836113/04/2026ArgentinaBuenos AiresAbra del Hinojo, Saavedra - Partido de Saavedra3Diego Oscar
Page 1 of 2131

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 18/04/2026.