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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 Santo Tomé

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: 279440
  Adult

Santo Tomé
Santa Fe
Argentina
07/12/2018
Leila Lodi



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
124025501/05/2020ArgentinaSanta FeSarmiento y Centenario, Santo Tomé2Leila Lodi
124023929/04/2020ArgentinaSanta FeAvenida del Trabajo, entre Salta e Iriondo, Santo Tomé1Leila Lodi
123270402/02/2020ArgentinaSanta FeArea Natural Protegida Laguna Juan de Garay (ex Bedetti), Santo ToméLeila Lodi
123555412/10/2019ArgentinaSanta FeHumedal lindante al Rio Salado, Santo ToméLeila Lodi
123585101/09/2019ArgentinaSanta FeHumedal lindante al Rio Salado, Santo ToméLeila Lodi
123581322/06/2019ArgentinaSanta FeComplejo Residencial El Paso, Santo Tomé7Leila Lodi
123224604/03/2019ArgentinaSanta FeCamping, Santo ToméLeila Lodi
78798912/07/2018ArgentinaSanta FeSarmiento y Centenario, Santo ToméLeila Lodi
123222704/01/2018ArgentinaSanta FeEdificio ex Inali, Santo ToméLeila Lodi
123566508/10/2017ArgentinaSanta FeArea Natural Protegida Laguna Juan de Garay (ex Bedetti), Santo ToméLeila Lodi
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 21/04/2026.