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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 Reserva Natural El Puente Verde

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: 661716
  Adult

Reserva Natural El Puente Verde
Misiones
Argentina
10/21/2025
Elsa Longo
Foto
Photography ID: 465958
  Adult

Reserva Natural El Puente Verde
Misiones
Argentina
10/06/2021
Diego Carus



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
239577821/10/2025ArgentinaMisionesCamino rural hacia la reserva, Reserva Natural El Puente VerdeElsa Longo
212282925/07/2024ArgentinaMisionesReserva Natural El Puente Verde1Jorge La Grotteria
212282625/07/2024ArgentinaMisionesReserva Natural El Puente Verde1Jorge La Grotteria
212269425/07/2024ArgentinaMisionesReserva Natural El Puente Verde1María Alejandra Sosa
212269125/07/2024ArgentinaMisionesReserva Natural El Puente Verde1María Alejandra Sosa
194291309/01/2024ArgentinaMisionesReserva Natural El Puente Verde2Jorge La Grotteria
194288909/01/2024ArgentinaMisionesReserva Natural El Puente Verde2María Alejandra Sosa
194226308/01/2024ArgentinaMisionesVía sin nombre, Reserva Natural El Puente Verde1Jorge La Grotteria
194225708/01/2024ArgentinaMisionesVía sin nombre, Reserva Natural El Puente Verde1María Alejandra Sosa
194111107/01/2024ArgentinaMisionesVía sin nombre (-25,534036, -54,134074), Reserva Natural El Puente Verde3Jorge La Grotteria
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.