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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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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: 557036
  Adult

Junín
Buenos Aires
Argentina
11/24/2020
Claudio Javier Spiga
Foto
Photography ID: 519292
  Adult

Funes
Santa Fe
Argentina
07/22/2020
Santos Uranga
Foto
Photography ID: 443226
♂ ♀
  Adult

Concordia
Entre Ríos
Argentina
06/14/2020
Omar Lagraña
Foto
Photography ID: 441667
  Adult

La Falda
Córdoba
Argentina
08/28/2020
Walter Bustamante
Foto
Photography ID: 438926
 
Concordia
Entre Ríos
Argentina
11/27/2020
Pablo Bruni
Foto
Photography ID: 429508
  Adult

Villa Ruiz
Buenos Aires
Argentina
05/15/2020
Elena Serrano
Foto
Photography ID: 426805
  Adult

Villa Serrana
Lavalleja
Uruguay
01/25/2020
Analía García
Foto
Photography ID: 426392
  Adult

Paraná
Entre Ríos
Argentina
12/22/2020
Norberto Muzzachiodi



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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
135195831/12/2020ArgentinaRío NegroLas Grutas1Diego Oscar
135191631/12/2020ArgentinaBuenos AiresMarahué, Partido de Villarino3Diego Oscar
134646031/12/2020ArgentinaBuenos AiresSierra de la VentanaPablo Echevarría
134425631/12/2020ArgentinaBuenos AiresEstación de trenes, Parque Pereyra IraolaFacundo Irazoqui
134312731/12/2020ArgentinaBuenos AiresPedro Luro, Partido de VillarinoHernán Tolosa
133968731/12/2020ArgentinaBuenos AiresSobre la reserva., Parque Natural Municipal Ribera Norte (San Isidro)Rodolfo Seró
133900731/12/2020ArgentinaBuenos AiresLos Carpinchos, LoberíaSusana Gomez
142063429/12/2020ArgentinaMendozaSan Rafael3Gabriel Carbajales
133865329/12/2020ArgentinaBuenos AiresSaavedra - Partido de Saavedra3Diego Oscar
133838529/12/2020ArgentinaEntre RíosLos Talas 1220, Concordia2María 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 30/03/2026.