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Mimus saturninus

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





Geographic distribution


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Latest feeding records





Species photographs

Count: 3275

Foto
Photography ID: 705775
  Adult

Malabrigo zona rural
Santa Fe
Argentina
09/20/2026
Eduardo Battaglini
Foto
Photography ID: 705734
  Adult

Balcarce
Buenos Aires
Argentina
09/19/2026
Edgar Romeo
Foto
Photography ID: 705595
  Adult

Sierra bachicha
Buenos Aires
Argentina
09/19/2026
Oscar Alfredo Eliseche
Foto
Photography ID: 703880
  Adult

San Nicolás de los Arroyos
Buenos Aires
Argentina
09/06/2026
Peter Vidana
Foto
Photography ID: 703866
 
La Plata
Buenos Aires
Argentina
09/06/2026
Gabriel Gorrín Armas
Foto
Photography ID: 703753
  Adult

Albufera de Reta
Buenos Aires
Argentina
07/15/2026
Elsa Longo
Foto
Photography ID: 703350
  Adult

San Luis
San Luis
Argentina
09/06/2026
Franco Albano Giuliani
Foto
Photography ID: 703327
  Adult

San Luis
San Luis
Argentina
09/06/2026
Franco Albano Giuliani
Foto
Photography ID: 702840
  Adult

Puerto Iguazú
Misiones
Argentina
09/01/2026
Dolores Fernandez
Foto
Photography ID: 702433
  Adult

San Miguel del Monte
Buenos Aires
Argentina
08/31/2026
Jorgelina Lopez



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Species vocalizations

Count: 24


Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Gustavo Fernando Durán07/26/2026ArgentinaSanta FeEstanislao López 569San Jerónimo NorteN/AN/AYesNo
Gustavo Fernando Durán07/26/2026ArgentinaSanta FeEstanislao López 569San Jerónimo NorteN/AN/AYesNo
Gustavo Fernando Durán07/26/2026ArgentinaSanta FeEstanislao López 569San Jerónimo NorteN/AN/AYesNo
René Fernando Bilbao06/01/2026ArgentinaBuenos AiresMar de CoboMar de CoboN/AN/ANoNo
Manuel Eduardo Serra10/06/2022ArgentinaCórdobaReserva Natural Los QuebrachitosCabana, UnquilloN/AAdultNoNo
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



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Species videos

Count: 23





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Species reports



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Species records

Count: 21972



Page 1 of 2198
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
253251522/09/202618:33ArgentinaEntre RíosLago Salto Grande, Concordia1Jorge La Grotteria
253219622/09/202618:33ArgentinaEntre RíosLago Salto Grande, Concordia1María Alejandra Sosa
253191222/09/2026ArgentinaBuenos AiresLos Carpinchos, Lobería1Susana Gomez
253179921/09/2026ArgentinaEntre RíosCamino a 4 Hermanas, Ceibas3Gabriel Carbajales
253172621/09/2026ArgentinaEntre RíosEa. Campo Bajo, Ceibas3Gabriel Carbajales
253246820/09/2026ArgentinaMisionesReserva Natural Mainumby1Diego Oscar
253212420/09/2026UruguaySaltoArerunguá-área general2Pablo Bruni
253206120/09/2026UruguaySaltoCamino a Arerunguá-área general4Pablo Bruni
253201020/09/2026UruguaySaltoCerca arroyo Guayabos, Camino a Arerunguá2Pablo Bruni
253157320/09/2026ArgentinaEntre RíosCamino a 4 Hermanas, Ceibas3Gabriel Carbajales
Page 1 of 2198

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) – Species account. Accessed from www.ecoregistros.org on 23/09/2026.