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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: 38188
  Immature

Villa Elisa
Buenos Aires
Argentina
02/08/2014
José Luis Lamela
Foto
Photography ID: 22515
  Adult

Ensenada
Buenos Aires
Argentina
10/15/2011
José Luis Lamela
Foto
Photography ID: 18921
  Adult

Tornquist
Buenos Aires
Argentina
01/17/2013
José Luis Lamela



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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
12548315/03/2014ArgentinaBuenos AiresArroyo Zapata, MagdalenaJosé Luis Lamela
12354709/03/2014ArgentinaBuenos AiresSector San Juan, Parque Pereyra IraolaJosé Luis Lamela
11829201/03/2014ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)José Luis Lamela
11646422/02/2014ArgentinaBuenos AiresIgnacio CorreasJosé Luis Lamela
11395915/02/2014ArgentinaBuenos AiresCostanera, Reserva Natural Punta LaraJosé Luis Lamela
10980108/02/2014ArgentinaBuenos AiresParque Ecológico Municipal de Villa Elisa, Villa ElisaJosé Luis Lamela
10007318/01/2014ArgentinaBuenos AiresLaguna de los Patos, EnsenadaJosé Luis Lamela
9604112/01/2014ArgentinaBuenos AiresSector San Juan, Parque Pereyra IraolaJosé Luis Lamela
8788902/01/2014ArgentinaBuenos AiresCity BellJosé Luis Lamela
9169728/12/2013ArgentinaBuenos AiresReserva Natural Punta RasaJosé Luis Lamela
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.