Back ماتشيتورنيس ريكسوسا ARZ Machetornis rixosa AST Machetornis rixosa Bulgarian Machetornis rixosa Breton Tirà ramader Catalan Machetornis rixosa CEB Teyrn gwartheg Welsh Graslandtyrann German Machetornis rixosa Spanish Tirano itzain Basque
| Cattle tyrant | |
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| Nominate Machetornis rixosa rixosa, Transpantaneira, Poconé, Mato Grosso, Brazil | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tyrannidae |
| Genus: | Machetornis G.R. Gray, 1841 |
| Species: | M. rixosa
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| Binomial name | |
| Machetornis rixosa (Vieillot, 1819)
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| Synonyms | |
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Machetornis rixosus (Vieillot, 1819)[2] | |
The cattle tyrant (Machetornis rixosa) is a species of bird in the tyrant flycatcher family Tyrannidae. In Brazil, it is called suiriri-cavaleiro.[3] It is the only member of the genus Machetornis. The relationships of this species and genus to other genera in the tyrant flycatchers are uncertain. It resembles Tyrannus flycatchers, but this may be the result of convergence.
- ^ BirdLife International (2017). "Machetornis rixosa". IUCN Red List of Threatened Species. 2017: e.T22700321A118647319. doi:10.2305/IUCN.UK.2017-3.RLTS.T22700321A118647319.en. Retrieved 13 November 2021.
- ^ Alan P. Peterson, M.D. "Machetornis rixosus". Integrated Taxonomic Information System. Retrieved 22 July 2011.
- ^ Sazima, I; Sazima, C (2010). "Brazilian cleaner birds: update and brief reappraisal" (PDF). Biota Neotropica. 10 (1): 327–331. doi:10.1590/S1676-06032010000100028.
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