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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 Reserva Natural Punta Lara

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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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
243080309/02/2026ArgentinaBuenos AiresReserva Natural Punta LaraWalter Liriel Gómez Umpierrez
242572408/11/2025ArgentinaBuenos AiresReserva Natural Punta Lara2Pablo Richter
240540913/09/2025ArgentinaBuenos AiresReserva Natural Punta Lara4Pablo Richter
229767906/10/2024ArgentinaBuenos AiresRuta Provincial 19 (Camino Negro), Reserva Natural Punta LaraGustavo Marasco
136682007/02/2021ArgentinaBuenos AiresReserva Natural Punta LaraWalter Liriel Gómez Umpierrez
134435301/01/2021ArgentinaBuenos AiresCanal Pereyra, Reserva Natural Punta LaraFacundo Irazoqui
132280527/11/2020ArgentinaBuenos AiresReserva Natural Punta LaraNicolas Carrion
77140123/06/2018ArgentinaBuenos AiresReserva Natural Punta LaraWalter Liriel Gómez Umpierrez
74725117/04/2018ArgentinaBuenos AiresReserva Natural Punta Lara1Dario Juan Wendeler
48072722/09/2016ArgentinaBuenos AiresReserva Natural Punta LaraWalter Liriel Gómez Umpierrez
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 09/03/2026.










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