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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: 551038
  Adult

Federación
Entre Ríos
Argentina
08/27/2023
Diego Alfonso Rosa
Foto
Photography ID: 373063
  Adult

Federación
Entre Ríos
Argentina
12/23/2019
Gustavo Ramos
Foto
Photography ID: 108609
  Adult

Federación
Entre Ríos
Argentina
07/21/2015
Diego Trillo
Foto
Photography ID: 108608
  Adult

Federación
Entre Ríos
Argentina
07/21/2015
Diego Trillo



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
189334127/08/2023ArgentinaEntre RíosFederaciónDiego Alfonso Rosa
170175814/01/2023ArgentinaEntre RíosAvenida las Violetas 155, FederaciónSantiago Juan Torres
129714406/10/2020ArgentinaEntre RíosReserva forestal Chaviyú, Federación1Patricia Beatriz Benitez
116371323/12/2019ArgentinaEntre RíosZona urbana en la orilla del lago- Camino costero peatonal, FederaciónGustavo Ramos
125962012/10/2019ArgentinaEntre RíosFederacion, Federación3Gabriel Carbajales
122604617/03/2018ArgentinaEntre RíosReserva forestal Chaviyú, Federación1Luis Prevedel
47863813/09/2016ArgentinaEntre RíosFederaciónSantiago Juan Torres
37224103/12/2015ArgentinaEntre RíosZona entre Terminal y Complejo Termal, Federación2Carlos M. Grassini
36208829/10/2015ArgentinaEntre RíosParque municipal y reserva forestal , Federación4Carlos M. Grassini
31246021/07/2015ArgentinaEntre RíosFederaciónDiego Trillo
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 18/03/2026.