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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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Records from Villaguay

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: 213304
  Adult

Villaguay
Entre Ríos
Argentina
05/31/2015
Luis Orlando Krause



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
239083424/11/2025ArgentinaEntre RíosReserva De Usos Múltiples El Guayabo, Villaguay1Pablo Bruni
234329516/08/2025ArgentinaEntre RíosArroyo Sauce de Luna y Camino vecinal, Villaguay1Pablo Bruni
234325716/08/2025ArgentinaEntre RíosCamino a Arroyo Sauce de Luna, Villaguay1Pablo Bruni
234324016/08/2025ArgentinaEntre RíosLaguna zona Mojones Norte, Villaguay1Pablo Bruni
234313216/08/2025ArgentinaEntre RíosCamino a Paso Blanco, Villaguay1Pablo Bruni
201961402/04/2024ArgentinaEntre RíosRuta 23-cerca Escuela Amancay, Villaguay1Pablo Bruni
199693122/07/2023ArgentinaEntre RíosReserva De Usos Múltiples El Guayabo, Villaguay4Naré Berduc
199693219/07/2023ArgentinaEntre RíosVía sin nombre, Villaguay1Naré Berduc
167877020/11/2022ArgentinaEntre RíosEstablecimiento La Laguna, Villaguay1Patricia Beatriz Benitez
162544714/08/2022ArgentinaEntre RíosReserva Natural El Caranday, Villaguay1Pablo Bruni
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.