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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 Uruguay

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

Last published photographs

Foto
Photography ID: 672541
  Adult

Punta del Diablo
Rocha
Uruguay
01/19/2026
Pablo Marcelo Meyer
Foto
Photography ID: 639512
  Adult

Rincon de laguna
Rocha
Uruguay
01/20/2025
Eugenia Boggiano
Foto
Photography ID: 621194
  Adult

Piriápolis
Maldonado
Uruguay
02/04/2025
Enrico H. Vicentini
Foto
Photography ID: 583344
  Adult

Cerro colorado
Florida
Uruguay
05/10/2024
Javier Laprebendere
Foto
Photography ID: 579732
  Adult

Piriápolis
Maldonado
Uruguay
04/05/2024
Enrico H. Vicentini
Foto
Photography ID: 575500
  Adult

Parque del Plata
Canelones
Uruguay
03/11/2024
Julián Tocce
Foto
Photography ID: 573827
  Adult

Piriápolis
Maldonado
Uruguay
03/02/2024
Enrico H. Vicentini
Foto
Photography ID: 573061
  Adult

Punta Negra
Maldonado
Uruguay
02/23/2024
Enrico H. Vicentini
Foto
Photography ID: 553513
  Adult

Parque del Plata
Canelones
Uruguay
01/27/2023
Giovana Antunez
Foto
Photography ID: 552503
  Adult

Colonia Valdense
Colonia
Uruguay
10/17/2023
Javier Laprebendere
Foto
Photography ID: 540416
  Adult

Parque del Plata
Canelones
Uruguay
07/03/2023
Julián Tocce



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Species vocalizations

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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
253212420/09/2026UruguaySaltoArerunguá-área general2Pablo Bruni
253206120/09/2026UruguaySaltoCamino a Arerunguá-área general4Pablo Bruni
253201020/09/2026UruguaySaltoCerca arroyo Guayabos, Camino a Arerunguá2Pablo Bruni
245908112/04/2026UruguayTacuaremboCamino de la escuela2Gabriel Carbajales
245904312/04/2026UruguayTacuaremboEstablecimiento Bichadero, Tacuarembó1Gabriel Carbajales
245889611/04/2026UruguayTacuaremboEstablecimiento Bichadero, Tacuarembó2Gabriel Carbajales
245874910/04/2026UruguayPaysandúRuta 26 Brigadier General Leandro Gómez, Tambores1Gabriel Carbajales
245872210/04/2026UruguayPaysandúArroyo Araujo1Gabriel Carbajales
245162717/03/2026UruguaySaltoLaguna de las Garzas, Salto Grande2Pablo Bruni
243233209/02/2026UruguaySaltoLaguna de las Garzas, Salto Grande2Pablo Bruni
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 24/09/2026.