South-western Colombia (Nariņo) and western Ecuador (south to Guayas). Considered by some authors to be a subspecies of Golden-faced Tyrannulet (Zimmerius chrysops).
Choco Tyrannulet (Zimmerius albigularis) [XC83312]
by Jerome Fischer from Parque Natural Tatama, Colombia (call)
Choco Tyrannulet (Zimmerius albigularis) [XC262155]
by Olaf Jahn from Esmeraldas: Playa de Oro, village and vicinity, R\u00edo Santiago, Ecuador (call, song, song or call)
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Golden-faced Tyrannulet (Zimmerius chrysops).