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Mimus saturninus

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 Villa Gesell

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

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Foto
Photography ID: 625218
  Adult

Villa Gesell
Buenos Aires
Argentina
01/26/2025
Celina Emilia Iratchet
Foto
Photography ID: 610149
  Adult

Villa Gesell
Buenos Aires
Argentina
09/07/2024
José Luis Ianiro



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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
225213306/02/2025ArgentinaBuenos AiresAeropuerto Villa Gesell, Villa Gesell2Rodolfo Domnanovich
226036626/01/2025ArgentinaBuenos AiresParque Ambiental Villa Gesell, Villa GesellCelina Emilia Iratchet
219758707/09/2024ArgentinaBuenos AiresMar de las pampas, Villa GesellJosé Luis Ianiro
206253629/03/2024ArgentinaBuenos AiresReserva Natural Municipal Faro Querandí, Villa Gesell2Lautaro Pereira
138231214/03/2021ArgentinaBuenos AiresAvenida 2 y calle 116, Villa Gesell2Jorge Fernando Di Laudo
114363911/11/2019ArgentinaBuenos AiresAvenida 2 entre 104 y 105, Villa GesellJorge Fernando Di Laudo
85793723/12/2018ArgentinaBuenos AiresLas Gaviotas, Villa GesellDiego Varales
85707322/12/2018ArgentinaBuenos AiresLas Gaviotas, Villa GesellDiego Varales
65095827/07/2017ArgentinaBuenos AiresAeropuerto Villa Gesell, Villa Gesell1Ezequiel Vera
8720202/01/2014ArgentinaBuenos AiresCampo aledaño al aeropuerto y al cementerio, Villa GesellLaura Borsellino
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 21/09/2026.