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Species icon
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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Last published photographs

Foto
Photography ID: 532641
  Adult

Los Amores
Santa Fe
Argentina
12/08/2022
Andrés Cecconi
Foto
Photography ID: 516382
  Adult

Bañado La Estrella
Formosa
Argentina
07/12/2022
Andrés Cecconi
Foto
Photography ID: 516200
  Adult

Clorinda
Formosa
Argentina
07/09/2022
Andrés Cecconi
Foto
Photography ID: 516167
  Adult

Perdices
Entre Ríos
Argentina
06/11/2022
Andrés Cecconi
Foto
Photography ID: 516077
  Adult

Palma Sola
Jujuy
Argentina
04/10/2022
Andrés Cecconi
Foto
Photography ID: 478673
  Adult

Carcarañá
Santa Fe
Argentina
12/30/2021
Andrés Cecconi
Foto
Photography ID: 433674
  Adult

Hernando
Córdoba
Argentina
01/20/2021
Andrés Cecconi
Foto
Photography ID: 411407
  Adult

Villa Gobernador Gálvez
Santa Fe
Argentina
09/12/2020
Andrés Cecconi
Foto
Photography ID: 410550
  Adult

Funes
Santa Fe
Argentina
08/30/2020
Andrés Cecconi
Foto
Photography ID: 403137
  Adult

Soldini
Santa Fe
Argentina
06/10/2020
Andrés Cecconi
Foto
Photography ID: 385387
  Adult

Laguna Iberá
Corrientes
Argentina
02/24/2020
Andrés Cecconi



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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
175501908/12/2022ArgentinaSanta FeLos AmoresAndrés Cecconi
168133612/07/2022ArgentinaFormosaEl Vertedero., Bañado La EstrellaAndrés Cecconi
168123509/07/2022ArgentinaFormosaClorindaAndrés Cecconi
168118611/06/2022ArgentinaEntre RíosPerdicesAndrés Cecconi
168109110/04/2022ArgentinaJujuyPalma SolaAndrés Cecconi
153269130/12/2021ArgentinaSanta FeCarcarañáAndrés Cecconi
136941420/01/2021ArgentinaCórdobaHernandoAndrés Cecconi
133141911/12/2020ArgentinaTucumánRuta 333 - Límite provincial con Santiago del EsteroAndrés Cecconi
128858212/09/2020ArgentinaSanta FeReserva Natural de Vgg, Villa Gobernador GálvezAndrés Cecconi
128647130/08/2020ArgentinaSanta FeReserva Ecológica San Jorge, FunesAndrés Cecconi
Page 1

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Citation recommended:

EcoRegistros. 2026. Cattle Tyrant (Machetornis rixosa) - Species sheet. Acceded from https://www.ecoregistros.org on 20/03/2026.