---
title: "Suiriri-cavaleiro"
description: "Machetornis rixosa — Aves. The cattle tyrant (Machetornis rixosa) is a species of bird in the tyrant flycatcher family Tyrannidae."
canonical: https://animalchecklist.com/pt/animal/cattle-tyrant
last_updated: 2026-09-20
---

# Suiriri-cavaleiro

> Machetornis rixosa — Aves. The cattle tyrant (Machetornis rixosa) is a species of bird in the tyrant flycatcher family Tyrannidae.

- Scientific name: *Machetornis rixosa*
- Category: `birds` (Aves)
- Habitats: `grassland` (Campos e prados), `farm` (Quinta), `savanna` (Savana)
- iNaturalist observations: 14744
- Wikidata: [Q656000](https://www.wikidata.org/wiki/Q656000)
- iNaturalist taxon: [17289](https://www.inaturalist.org/taxa/17289)

## Names

- en: Cattle Tyrant
- de: Stelzentyrann
- es: Sirirí bueyero
- fr: Tyran querelleur
- nl: Veetiran
- pt: Suiriri-cavaleiro
- pl: Krowiarek

## Countries with the most observations

AR (5724), BR (4923), CO (2270), US (339), BO (310), UY (300), VE (126), EC (118), PY (112), PA (93), AW (6), CR (6)

## Summary

The cattle tyrant (Machetornis rixosa) is a species of bird in the tyrant flycatcher family Tyrannidae. In Brazil, it is called suiriri-cavaleiro. 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.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Cattle_tyrant

## Photo

![Suiriri-cavaleiro](https://animalchecklist.com/img/animals/cattle-tyrant/medium.jpg)

Photo: Dario Taraborelli · CC0 · inaturalist — https://www.inaturalist.org/observations/155673863

## Machine access

`GET https://animalchecklist.com/api/v1/animals/cattle-tyrant?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).