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Cattle Tyrant

Machetornis rixosa
(Vieillot, LJP, 1819)
Picabuey
Suiriri-cavaleiro

Family: Tyrannidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Records from Punta Indio

Conservation Status according to BirdLife International: Least Concern

Synonyms: Machetornis rixosus, Tyrannus rixosus.

Subspecies:


Description: A medium-sized, slender flycatcher with bright yellow underparts and soft brownish tones on the upperparts. The head shows a subtle gray wash, sometimes with a faint pale patch that is not easily visible at a distance. It often adopts an upright stance, perching on exposed structures. The bill is short, dark, and sturdy, suited for seizing active prey, while the rounded wings and moderately long tail give it a balanced, streamlined profile. Overall, it displays the clean, contrasting look typical of open-country tyrant flycatchers.

Geographical distribution: Widespread in South America, ranging from the southern Amazon and north-central regions down to central-eastern Argentina, and also present in Uruguay, Paraguay, and parts of Bolivia. It occurs continuously throughout tropical and subtropical zones, extending into temperate areas where open environments remain available.

Habitat: Occupies diverse open habitats, including natural grasslands, savannas, rural landscapes, roadsides, wetland edges, and even urbanized zones. Frequently associates with livestock, vehicles, or isolated structures that provide elevated perches essential for its foraging technique. It avoids dense forests but may use forest edges and degraded clearings.

Diet: Primarily insectivorous, feeding on medium to large insects captured in short, agile sallies from perches. It often pursues prey flushed by livestock, taking advantage of animals’ movement to detect insects. Occasionally consumes other arthropods or small vertebrates, reflecting a flexible feeding strategy according to local conditions.

Behavior: An active and alert species, frequently shifting between perches. Its most distinctive behavior is following livestock, which helps it locate disturbed insects. It flies with steady, direct wingbeats alternating with brief glides. Pairs or small groups are common, usually keeping watch from posts, fences, or rooftops.

Breeding: Builds a domed nest of fine plant fibers, roots, and assorted materials, placed in trees, human structures, or sometimes inside abandoned nests of other species. The typical clutch consists of two to three eggs, incubated by both adults. Young are fed regularly with prey captured during short flights around the nesting territory.

Conservation status: Classified globally as Least Concern, with stable populations and a broad distribution. Its ability to adapt to modified landscapes and coexist with rural activity has supported its persistence across much of its range.


Author of this compilation: EcoRegistros – 08/12/2025




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Last published photographs

Foto
Photography ID: 162858
  Adult

Punta Indio
Buenos Aires
Argentina
08/14/2016
Facundo Quintela
Foto
Photography ID: 140759
  Juvenile

Punta Indio
Buenos Aires
Argentina
02/26/2016
Facundo Quintela
Foto
Photography ID: 117995
  Adult

Punta Indio
Buenos Aires
Argentina
10/03/2015
Facundo Quintela
Foto
Photography ID: 53085
  Adult

Punta Indio
Buenos Aires
Argentina
06/07/2014
Facundo Quintela
Foto
Photography ID: 51744
  Adult

Punta Indio
Buenos Aires
Argentina
05/18/2014
Facundo Quintela
Foto
Photography ID: 48398
  Adult

Punta Indio
Buenos Aires
Argentina
04/19/2014
Marian Wigdorovitz
Foto
Photography ID: 47721
  Adult

Punta Indio
Buenos Aires
Argentina
04/13/2014
Facundo Quintela



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
238160202/11/2025ArgentinaBuenos AiresPunta IndioNicolas Olejnik
234961824/07/2025ArgentinaBuenos AiresPunta Indio3Diego Oscar
162057730/07/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
162046423/07/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
159533811/06/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
159520906/05/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
156836809/04/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
156135519/03/2022ArgentinaBuenos AiresPunta IndioDiego Oscar
156132416/03/2022ArgentinaBuenos AiresPunta Indio1Diego Oscar
154204428/01/2022ArgentinaBuenos AiresPunta Indio1Facundo Quintela
Page 1

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Citation recommended:

EcoRegistros. 2026. Cattle Tyrant (Machetornis rixosa) - Species sheet. Acceded from https://www.ecoregistros.org on 09/03/2026.










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