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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 Manuel B. Gonnet

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: 296078
  Adult

Manuel B. Gonnet
Buenos Aires
Argentina
11/01/2018
Roberto Battaglia
Foto
Photography ID: 96388
  Adult

Manuel B. Gonnet
Buenos Aires
Argentina
04/30/2015
Roberto Battaglia
Foto
Photography ID: 82843
  Juvenile

Manuel B. Gonnet
Buenos Aires
Argentina
02/15/2015
Facundo Quintela
Foto
Photography ID: 36307
  Juvenile

Manuel B. Gonnet
Buenos Aires
Argentina
01/27/2014
Facundo Quintela
Foto
Photography ID: 23438
  Adult

Manuel B. Gonnet
Buenos Aires
Argentina
05/30/2013
Nicolas Chimento



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
146168111/09/2021ArgentinaBuenos AiresRepública de los Niños, Manuel B. Gonnet4Facundo Quintela
130434324/10/2020ArgentinaBuenos AiresRepública de los Niños, Manuel B. Gonnet1Facundo Quintela
83198301/11/2018ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetRoberto Battaglia
27647330/04/2015ArgentinaBuenos AiresManuel B. GonnetRoberto Battaglia
24139015/02/2015ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetFacundo Quintela
13072601/04/2014ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetFacundo Quintela
12478516/03/2014ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetDiego Varales
10540727/01/2014ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetFacundo Quintela
6314230/05/2013ArgentinaBuenos AiresManuel B. GonnetNicolas Chimento
6056221/05/2013ArgentinaBuenos AiresManuel B. GonnetNicolas Chimento
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 25/03/2026.