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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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Records from Argentina

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




Last published photographs

Foto
Photography ID: 681984
 
Mar del Plata
Buenos Aires
Argentina
04/02/2026
Paola Finelli
Foto
Photography ID: 681867
  Adult

General Pico
La Pampa
Argentina
04/09/2026
Hugo Alberto Valderrey
Foto
Photography ID: 681669
  Adult

Santa Ana
Misiones
Argentina
04/11/2025
Oscar Alfredo Eliseche
Foto
Photography ID: 681267
  Adult

Capital
Córdoba
Argentina
03/15/2026
Facundo Carretero
Foto
Photography ID: 681210
  Adult

Ciudad de Mendoza
Mendoza
Argentina
04/03/2026
Manuel Godoy
Foto
Photography ID: 680944
  Adult

Las Calles
Córdoba
Argentina
02/14/2026
Eduardo Nadal
Foto
Photography ID: 680639
  Adult

Dpto 9 de julio
Santa Fe
Argentina
03/22/2026
Carlos Valpreda
Foto
Photography ID: 680511
  Adult

General Pico
La Pampa
Argentina
03/27/2026
Hugo Alberto Valderrey
Foto
Photography ID: 680260
  Adult

Rosario
Santa Fe
Argentina
03/29/2026
Gaston Lisandro Gabinetti



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Last Vocalizations published



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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Last Filmings published





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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
245712710/04/202609:53ArgentinaBuenos AiresDoctor Manuel Argerich 15, Reserva Natural del PilarDolores Fernandez
245717809/04/2026ArgentinaCiudad Autónoma de Buenos AiresPlaza Naciones Unidas, Recoleta1Pablo Bruni
245708409/04/2026ArgentinaBuenos AiresReserva Natural Yrigoyen (yrigoyen y el Río), Vicente López4Diego Oscar
245704509/04/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)4Diego Oscar
245688609/04/202615:08ArgentinaSanta FeCamino sin nombrar1Jorge La Grotteria
245685709/04/2026ArgentinaLa PampaBarrio Pueblo Nuevo, General PicoHugo Alberto Valderrey
245665004/04/2026ArgentinaBuenos AiresLaguna a la 65, Carlos María Naón3Rodolfo Domnanovich
245617604/04/2026ArgentinaSanta FeEx ruta 93 sector S, Melincué2Pablo Bruni
245580804/04/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Nicolas Olejnik
245587203/04/2026ArgentinaMendozaParque General San Martin, Ciudad de MendozaManuel Godoy
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.