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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 Km 1.4

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: 562656
  Adult

Laguna Negra
Chubut
Argentina
01/01/2024
Zulima América Schupbach
Foto
Photography ID: 451382
  Adult

Laguna Negra
Chubut
Argentina
06/20/2021
Zulima América Schupbach
Foto
Photography ID: 445486
  Adult

Laguna Negra
Chubut
Argentina
05/07/2021
Zulima América Schupbach
Foto
Photography ID: 395046
  Adult

Laguna Negra
Chubut
Argentina
04/13/2020
Zulima América Schupbach
Foto
Photography ID: 395045
  Adult

Laguna Negra
Chubut
Argentina
04/13/2020
Zulima América Schupbach
Foto
Photography ID: 390590
  Juvenile

Laguna Negra
Chubut
Argentina
12/23/2014
Zulima América Schupbach
Foto
Photography ID: 390589
  Juvenile

Laguna Negra
Chubut
Argentina
12/23/2014
Zulima América Schupbach
Foto
Photography ID: 381319
  Juvenile

Laguna Negra
Chubut
Argentina
02/06/2020
Zulima América Schupbach
Foto
Photography ID: 378561
  Adult

Laguna Negra
Chubut
Argentina
01/26/2020
Zulima América Schupbach
Foto
Photography ID: 376806
  Adult

Laguna Negra
Chubut
Argentina
01/22/2020
Zulima América Schupbach
Foto
Photography ID: 376800
  Adult

Laguna Negra
Chubut
Argentina
01/22/2020
Zulima América Schupbach
Foto
Photography ID: 370754
  Adult

Laguna Negra
Chubut
Argentina
01/01/2020
Zulima América Schupbach



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
193675701/01/2024ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
142001320/06/2021ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
144800607/05/2021ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
123742313/04/2020ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
119022206/02/2020ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
118155626/01/2020ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
117631422/01/2020ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
115576901/01/2020ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
93031531/05/2019ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
89137312/02/2019ArgentinaChubutKm 1.4, Laguna NegraZulima América Schupbach
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.