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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 Santa Fe

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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Latest feeding records




Last published photographs

Foto
Photography ID: 680639
  Adult

Dpto 9 de julio
Santa Fe
Argentina
03/22/2026
Carlos Valpreda
Foto
Photography ID: 680260
  Adult

Rosario
Santa Fe
Argentina
03/29/2026
Gaston Lisandro Gabinetti
Foto
Photography ID: 677063
  Adult

Zavalla
Santa Fe
Argentina
03/08/2026
Gaston Lisandro Gabinetti
Foto
Photography ID: 676302
  Adult

Rueda
Santa Fe
Argentina
02/17/2026
Gaston Lisandro Gabinetti
Foto
Photography ID: 676225
  Adult

Arroyo Colastiné
Santa Fe
Argentina
03/01/2026
Peter Vidana
Foto
Photography ID: 675538
  Adult

Rueda
Santa Fe
Argentina
02/17/2026
Peter Vidana
Foto
Photography ID: 669493
  Adult

Luis Palacios
Santa Fe
Argentina
01/18/2026
Peter Vidana
Foto
Photography ID: 665905
  Adult

Zavalla
Santa Fe
Argentina
01/04/2026
Gaston Lisandro Gabinetti
Foto
Photography ID: 659748
  Adult

Roldán
Santa Fe
Argentina
11/16/2025
Jorge Schlemmer
Foto
Photography ID: 649754
  Adult

Luis Palacios
Santa Fe
Argentina
08/31/2025
Tramannoni Ariel
Foto
Photography ID: 643192
 
Carcarañá
Santa Fe
Argentina
07/13/2025
Adrian Braidotti
Foto
Photography ID: 641999
 
Funes
Santa Fe
Argentina
07/07/2025
Joaquín Perosino



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Gustavo Fernando Durán08/18/2014ArgentinaSanta FeCamino RuralSan Jerónimo NorteIndistinguishableAdultYesNo



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Last Filmings published





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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
245688609/04/202615:08ArgentinaSanta FeCamino sin nombrar1Jorge La Grotteria
245617604/04/2026ArgentinaSanta FeEx ruta 93 sector S, Melincué2Pablo Bruni
245400629/03/2026ArgentinaSanta FePaseo de la diversidad, RosarioGaston Lisandro Gabinetti
245395829/03/202618:27ArgentinaSanta FeSan Jerónimo Norte1Gustavo Fernando Durán
245332329/03/202607:58ArgentinaSanta FeMariano Moreno 1343, San Jerónimo Norte1Gustavo Fernando Durán
245208926/03/2026ArgentinaSanta FeLaguna Lux, CarcarañáAdrian Braidotti
245035023/03/202618:41ArgentinaSanta FeAvenida de Circunvalación de Santa Fe, Santa Fe de la Vera Cruz1Gustavo Fernando Durán
245475022/03/2026ArgentinaSanta FeR. P. La Herminia, Dpto 9 de julio2Carlos Valpreda
244935722/03/202608:05ArgentinaSanta FeMariano Moreno 1343, San Jerónimo Norte1Gustavo Fernando Durán
245438421/03/2026ArgentinaSanta FeCamino rural, San Javier1Carlos Valpreda
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.