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) [XC861247]
by Jos\u00e9 Mar\u00eda Loaiza B. from Jijon y Caama\u00f1o (Cab. en Rio Blanco) (near Florida), Mira, Carchi, Ecuador (call)
Choco Tyrannulet (Zimmerius albigularis) [XC833080]
by Jos\u00e9 Mar\u00eda Loaiza B. from Distrito Metropolitano de Quito, Pichincha, Parroquia Nanegalito, Nueva Granada, Hacienda Los Yumbos, Ecuador (call)
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Golden-faced Tyrannulet (Zimmerius chrysops).