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Mimus saturninus

Chalk-browed Mockingbird


Mimus saturninus

(Lichtenstein, 1823)
Calandria Grande
Sabiá-do-campo

Family: Mimidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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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: 423686
  Adult

Lobería
Buenos Aires
Argentina
12/12/2020
Susana Gomez
Foto
Photography ID: 421190
  Adult

Partido de Villarino
Buenos Aires
Argentina
11/22/2020
Susana Gomez
Foto
Photography ID: 410636
  Adult

Partido de Villarino
Buenos Aires
Argentina
09/01/2020
Susana Gomez
Foto
Photography ID: 402317
  Adult

Lobería
Buenos Aires
Argentina
06/28/2020
Susana Gomez
Foto
Photography ID: 397901
  Adult

Lobería
Buenos Aires
Argentina
05/12/2020
Susana Gomez
Foto
Photography ID: 376936
  Adult

La Falda
Córdoba
Argentina
01/22/2020
Susana Gomez
Foto
Photography ID: 370939
  Adult

Lobería
Buenos Aires
Argentina
01/02/2020
Susana Gomez



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 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
133900731/12/2020ArgentinaBuenos AiresLos Carpinchos, LoberíaSusana Gomez
132800912/12/2020ArgentinaBuenos AiresLos Carpinchos, LoberíaSusana Gomez
131781022/11/2020ArgentinaBuenos AiresPedro Luro, Partido de VillarinoSusana Gomez
133898315/11/2020ArgentinaBuenos AiresCamino sin nombrarSusana Gomez
131183315/11/2020ArgentinaBuenos AiresLobería T1este, LoberíaSusana Gomez
130221217/10/2020ArgentinaBuenos AiresPedro Luro, Partido de VillarinoSusana Gomez
128866013/09/2020ArgentinaBuenos AiresRural Sa 1, General Alvarado limite con LoberiaSusana Gomez
128699306/09/2020ArgentinaBuenos AiresLobería calles rurales, LoberíaSusana Gomez
128672401/09/2020ArgentinaBuenos AiresPeñi Mapu, Partido de VillarinoSusana Gomez
133897516/07/2020ArgentinaBuenos AiresRuta sin nombrarSusana Gomez
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 30/10/2026.