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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 Campana

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: 77763
  Adult

Campana
Buenos Aires
Argentina
01/18/2015
Gustavo Ramos
Foto
Photography ID: 68045
  Adult

Campana
Buenos Aires
Argentina
10/10/2014
Walter Bustamante
Foto
Photography ID: 32040
  Adult

Campana
Buenos Aires
Argentina
01/04/2014
Sebastian Cruz



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 Reports


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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
240858001/01/202615:13ArgentinaBuenos AiresRuta Nacional 12, Campana1Jorge La Grotteria
218173931/10/2024ArgentinaBuenos AiresDelta Bonaerense del Partido de Campana, CampanaEsteban Argerich
216540306/10/2024ArgentinaBuenos AiresDelta Bonaerense del Partido de Campana, CampanaEsteban Argerich
213893402/09/2024ArgentinaBuenos AiresRuta Nacional 12, Campana1Santiago Juan Torres
213885502/09/2024ArgentinaBuenos AiresRuta Nacional 12, Campana1Jorge La Grotteria
213728224/08/2024ArgentinaBuenos AiresDelta Bonaerense del Partido de Campana, CampanaEsteban Argerich
202424020/04/2024ArgentinaBuenos AiresA. Cordero 611, Campana1Jorge La Grotteria
202421320/04/2024ArgentinaBuenos AiresA. Cordero 611, Campana1María Alejandra Sosa
178534601/07/2023ArgentinaBuenos AiresAcceso A Puente, Campana1Jorge La Grotteria
178530401/07/2023ArgentinaBuenos AiresAcceso A Puente, Campana1María Alejandra Sosa
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 22/03/2026.