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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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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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Latest feeding records
Is consumed, preyed upon or captured by




Number of Photography: 2093

Foto
Photography ID: 677181
  Adult

El Trapiche
San Luis
Argentina
05/22/2023
Gustavo Abel Larracoechea
Foto
Photography ID: 677179
  Adult

Colón
Entre Ríos
Argentina
05/20/2022
Gustavo Abel Larracoechea
Foto
Photography ID: 677097
  Adult

Ceibas
Entre Ríos
Argentina
03/08/2026
Dolores Fernandez
Foto
Photography ID: 676678
  Adult

Ciudad de Mendoza
Mendoza
Argentina
02/16/2026
Pablo Moreno
Foto
Photography ID: 676093
  Adult

Tandil
Buenos Aires
Argentina
02/16/2026
Liliana Rubilar Puerta
Foto
Photography ID: 675957
  Adult

Río Hondo
Santiago del Estero
Argentina
03/01/2026
Viviana Fuentes
Foto
Photography ID: 675010
  Adult

Dique de Los Sauces
La Rioja
Argentina
02/22/2026
Carlos De Biagi
Foto
Photography ID: 674279
  Adult

Famatina
La Rioja
Argentina
02/06/2026
Federico Carlos Izasa
Foto
Photography ID: 674002
 
Rosedal
Buenos Aires
Argentina
07/26/2020
Paola Finelli
Foto
Photography ID: 673813
  Adult

Roldán
Santa Fe
Argentina
12/05/2025
Santos Uranga



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Number of Recorded Vocalizations: 6



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Viviana Fuentes01/06/2026ArgentinaTucumánColalao Del Valle - Ruta 40Tafí del ValleIndistinguishableN/ANoNo
Pablo Bruni03/22/2025ArgentinaCorrientesCerca Ruta 22Concepción del Yaguareté CoráN/AN/AYesNo
Viviana Fuentes03/13/2024ArgentinaTucumánSan Miguel, capitalN/AN/ANoNo
Viviana Fuentes03/13/2024ArgentinaTucumánTucumánN/AN/ANoNo
Pablo Bruni04/16/2022ArgentinaEntre RíosReserva ChaviyúDepartamento FederaciónN/AN/ANoNo
Diego Oscar06/01/2021ArgentinaBuenos AiresDel VisoN/AN/AYesNo


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Number of Films: 5





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 Reports


 Detail of places sorted by number of records






Number of Records: 13493



Page 1 of 1350
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
244533808/03/2026ArgentinaSanta FeLaguna Melincué, MelincuéAdrian Braidotti
244517808/03/2026ArgentinaEntre RíosCeibas, CeibasDolores Fernandez
244405108/03/202608:08ArgentinaBuenos AiresHip?lito Yrigoyen 3225, Concordia1Patricia Beatriz Benitez
244404608/03/202608:00ArgentinaSanta FeLuis Maria Drago1Gustavo Fernando Durán
244322807/03/202612:20ArgentinaCórdobaAvenida Costanera Guido Santarelli, Santa Rosa de Calamuchita1Santiago Juan Torres
244311807/03/202608:53ArgentinaSanta Fe1º de Mayo 455, Santa Fe de la Vera Cruz1Gustavo Fernando Durán
244307907/03/202607:24ArgentinaSanta FeAvenida General López 3339, Santa Fe de la Vera Cruz1Gustavo Fernando Durán
244292506/03/2026ArgentinaBuenos AiresSan Miguel del Monte1Diego Oscar
244135603/03/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Nicolas Olejnik
244111201/03/2026ArgentinaSantiago del EsteroDique Río Hondo, Río HondoViviana Fuentes
Page 1 of 1350

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Citation recommended:

EcoRegistros. 2026. Cattle Tyrant (Machetornis rixosa) - Species sheet. Acceded from https://www.ecoregistros.org on 10/03/2026.