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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 Puerto Iguazú

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: 702840
  Adult

Puerto Iguazú
Misiones
Argentina
09/01/2026
Dolores Fernandez
Foto
Photography ID: 592945
  Adult

Puerto Iguazú
Misiones
Argentina
04/27/2023
Federico Silvestre
Foto
Photography ID: 511335
  Adult

Puerto Iguazú
Misiones
Argentina
09/30/2022
Luis Carlos De Volder
Foto
Photography ID: 348601
  Adult

Puerto Iguazú
Misiones
Argentina
06/15/2019
Elsa Longo
Foto
Photography ID: 273124
  Adult

Puerto Iguazú
Misiones
Argentina
04/02/2018
Lucas De Ciria
Foto
Photography ID: 269527
  Adult

Puerto Iguazú
Misiones
Argentina
05/17/2018
Sergio Cusano
Foto
Photography ID: 224442
  Juvenile

Puerto Iguazú
Misiones
Argentina
10/17/2017
Diego Trillo
Foto
Photography ID: 55164
  Adult

Puerto Iguazú
Misiones
Argentina
06/30/2014
Patricio M. Silfeni
Foto
Photography ID: 53396
  Adult

Puerto Iguazú
Misiones
Argentina
05/26/2014
Carlos Schmidt



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Species vocalizations

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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
252122404/09/202613:29ArgentinaMisionesFray Mamerto Esquiú 230, Puerto Iguazú1Jorge La Grotteria
252105404/09/202613:29ArgentinaMisionesFray Mamerto Esquiú 230, Puerto Iguazú1María Alejandra Sosa
252101203/09/202617:21ArgentinaMisionesParaguay 546, Puerto Iguazú2Jorge La Grotteria
252083003/09/202617:21ArgentinaMisionesParaguay 546, Puerto Iguazú2María Alejandra Sosa
252069102/09/202618:27ArgentinaMisionesParaguay 546, Puerto Iguazú1María Alejandra Sosa
252055202/09/202618:27ArgentinaMisionesParaguay 546, Puerto Iguazú1Jorge La Grotteria
252107901/09/2026ArgentinaMisionesComplejo Americano, Puerto IguazúDolores Fernandez
252076501/09/202616:31ArgentinaMisionesParaguay 546, Puerto Iguazú1María Alejandra Sosa
252012101/09/202616:31ArgentinaMisionesParaguay 546, Puerto Iguazú1Jorge La Grotteria
251859630/08/202610:35ArgentinaMisionesComplejo Americano, Puerto Iguazú1María Alejandra Sosa
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 18/09/2026.