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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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Records from Parque Nacional Iberá

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: 633117
  Adult

Parque Nacional Iberá
Corrientes
Argentina
04/28/2025
Aluminé Sangorrín
Foto
Photography ID: 307663
  Adult

Parque Nacional Iberá
Corrientes
Argentina
10/27/2018
Elsa Longo
Foto
Photography ID: 179676
  Adult

Parque Nacional Iberá
Corrientes
Argentina
10/09/2016
Roberto Battaglia



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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
252826214/09/2026ArgentinaCorrientesRuta 40 entre Rincòn del Socorro y Carlos Pellegrini, Parque Nacional Iberá2Diego Oscar
252716412/09/2026ArgentinaCorrientesRuta 40 entre Colonia Carlos Peregrini y Rincon del Socorro, Parque Nacional Iberá2Diego Oscar
250540502/08/2026ArgentinaCorrientesPortal Lobo Cuá, Parque Nacional Iberá3Diego Oscar
250476931/07/2026ArgentinaCorrientesRuta 40 entre Rincòn del Socorro y Carlos Pellegrini, Parque Nacional Iberá2Diego Oscar
243330123/11/2025ArgentinaCorrientesPortal Cambyretá, Parque Nacional Iberá1Pablo Richter
239056523/11/2025ArgentinaCorrientesPortal Cambyretá, Parque Nacional Iberá1Gabriel Carbajales
235666111/09/2025ArgentinaCorrientesPortal Lobo Cuá, Parque Nacional Iberá1Diego Oscar
235574710/09/2025ArgentinaCorrientesRuta 40 entre Rincòn del Socorro y Carlos Pellegrini, Parque Nacional Iberá2Diego Oscar
235014313/08/2025ArgentinaCorrientesPortal Lobo Cuá, Parque Nacional Iberá2Diego Oscar
228334928/04/2025ArgentinaCorrientesPaso Claro, Parque Nacional IberáAluminé Sangorrín
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 21/09/2026.