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).
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Mistletoe Tyrannulet (Zimmerius parvus) [XC166400]
by Mike Nelson from Estaci\u00f3n Biol\u00f3gica Las Cruces, San Vito de Coto Brus, Puntarenas, Costa Rica (song)
Mistletoe Tyrannulet (Zimmerius parvus) [XC271694]
by Peter Boesman from Plantation trail, Panama (dawn song)
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Paltry Tyrannulet (Zimmerius vilissimus).