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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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Species photographs

Last published photographs

Foto
Photography ID: 659748
  Adult

Roldán
Santa Fe
Argentina
11/16/2025
Jorge Schlemmer
Foto
Photography ID: 637676
  Adult

Olta
La Rioja
Argentina
05/30/2025
Jorge Schlemmer
Foto
Photography ID: 587709
  Adult

Dique los molinos
Córdoba
Argentina
06/17/2024
Jorge Schlemmer
Foto
Photography ID: 584889
  Adult

Villa Gutierrez
Córdoba
Argentina
03/23/2024
Jorge Schlemmer
Foto
Photography ID: 584584
  Adult

Cerro Colorado
Córdoba
Argentina
05/11/2024
Jorge Schlemmer
Foto
Photography ID: 584518
  Adult

Loma Blanca
Córdoba
Argentina
05/11/2024
Jorge Schlemmer
Foto
Photography ID: 513906
  Adult

Parque Nacional Iguazú
Misiones
Argentina
11/05/2022
Jorge Schlemmer
Foto
Photography ID: 506587
  Adult

Alta Gracia
Córdoba
Argentina
08/31/2022
Jorge Schlemmer
Foto
Photography ID: 502884
  Adult

Loma Blanca
Córdoba
Argentina
07/30/2022
Jorge Schlemmer
Foto
Photography ID: 463218
  Adult

Cosquín
Córdoba
Argentina
09/25/2021
Jorge Schlemmer
Foto
Photography ID: 457378
  Adult

Reserva Natural Urutaú
Misiones
Argentina
07/25/2021
Jorge Schlemmer
Foto
Photography ID: 427579
  Adult

Miramar
Córdoba
Argentina
01/02/2021
Jorge Schlemmer



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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
238642116/11/2025ArgentinaSanta FeTierra de Sueños 3, Roldán, Santa Fe, Argentina, RoldánJorge Schlemmer
229735930/05/2025ArgentinaLa RiojaDique El Cisco, OltaJorge Schlemmer
204603417/06/2024ArgentinaCórdobaDique los molinosJorge Schlemmer
203557711/05/2024ArgentinaCórdobaCerro ColoradoJorge Schlemmer
203551811/05/2024ArgentinaCórdobaLoma BlancaJorge Schlemmer
203657023/03/2024ArgentinaCórdobaVilla GutierrezJorge Schlemmer
167356305/11/2022ArgentinaMisionesCircuito superior, Parque Nacional IguazúJorge Schlemmer
163602531/08/2022ArgentinaCórdobaCantera, Alta GraciaJorge Schlemmer
161913830/07/2022ArgentinaCórdobaLoma BlancaJorge Schlemmer
159810117/06/2022ParaguayCordilleraCamino a Juan de Mena, Arroyos y EsterosJorge Schlemmer
Page 1

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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 26/09/2026.