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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: 54881
  Adult

Villa Elisa
Buenos Aires
Argentina
01/15/2014
Diego Varales



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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
19898516/11/2014ArgentinaBuenos AiresLos Talas, BerissoDiego Varales
18595311/10/2014ArgentinaBuenos AiresSector San Juan, Parque Pereyra IraolaDiego Varales
17974228/09/2014ArgentinaBuenos AiresParque Municipal Martín Rodriguez, EnsenadaDiego Varales
17792520/09/2014ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Diego Varales
17153830/08/2014ArgentinaBuenos AiresClub Nautico, EnsenadaDiego Varales
15892909/07/2014ArgentinaBuenos AiresLaguna de los Patos, EnsenadaDiego Varales
14796117/05/2014ArgentinaBuenos AiresReserva Natural Punta LaraDiego Varales
13587218/04/2014ArgentinaBuenos AiresSierra de los padres, Mar del PlataDiego Varales
12672222/03/2014ArgentinaBuenos AiresParque Pereyra IraolaDiego Varales
12478516/03/2014ArgentinaBuenos AiresRepública de los Niños, Manuel B. GonnetDiego Varales
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 19/04/2026.