Honduras and eastern Nicaragua south to Panama and extreme north-western Colombia (north-western Chocó). Considered by some authors to be a subspecies of Paltry Tyrannulet (Zimmerius vilissimus).
Mistletoe Tyrannulet (Zimmerius parvus) [XC15563]
by Scott Olmstead from Estaci\u00f3n Biol\u00f3gica Las Cruces, San Vito de Coto Brus, Puntarenas, Costa Rica (call)
Mistletoe Tyrannulet (Zimmerius parvus) [XC271697]
by Peter Boesman from Altos del Maria area, Panama (call, dawn song, dawn song and call)
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Paltry Tyrannulet (Zimmerius vilissimus).