Breeds from south-central Chile (from La Araucanía) and south-western Argentina (from Neuquén and Río Negro) south to Tierra del Fuego; north to central Chile (Coquimbo) in non-breeding season.
 
Population
Estimated population is unknown (2010).
Patagonian Tyrant (Colorhamphus parvirostris) [XC378487]
by Peter Boesman from Vega Los Azules, Los Andes, Regi\u00f3n de Valpara\u00edso, Chile (song)
Patagonian Tyrant (Colorhamphus parvirostris) [XC52292]
by Bernabe Lopez-Lanus from PN Lanin-Lago Quillen, Neuquen, Argentina (song)
Subspecies
No subspecies.
Genus sometimes merged with Ochthoeca, to which appears most closely related according to morphological data. Formerly considered by some to be related to Mecocerculus or Elaenia.