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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 Cortaderas

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: 439520
  Adult

Cortaderas
San Luis
Argentina
02/03/2021
Federico Silvestre
Foto
Photography ID: 408164
  Adult

Cortaderas
San Luis
Argentina
08/15/2020
Jorge Omar Lanza
Foto
Photography ID: 405691
  Adult

Cortaderas
San Luis
Argentina
07/25/2020
Jorge Omar Lanza



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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
188572820/09/2023ArgentinaSan LuisDique piscu yaco, Cortaderas5Carlos Enrique Alvarez
163944610/09/2022ArgentinaSan LuisDique piscu yaco, Cortaderas5Claudio Mendez
163935305/09/2022ArgentinaSan LuisDique piscu yaco, Cortaderas10Claudio Mendez
138906503/02/2021ArgentinaSan LuisDique piscu yaco, CortaderasFederico Silvestre
128092715/08/2020ArgentinaSan LuisParaje San Miguel, CortaderasJorge Omar Lanza
127595225/07/2020ArgentinaSan LuisParaje San Miguel, CortaderasJorge Omar Lanza
113327112/11/2019ArgentinaSan LuisCortaderasJorgelina Lopez
113326911/11/2019ArgentinaSan LuisCortaderasHernán Tolosa
89379004/03/2019ArgentinaSan LuisVilla Elena, Cortaderas2Dario Juan Wendeler
19505127/10/2014ArgentinaSan LuisCortaderasFrancisco González Táboas
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 26/03/2026.