Western Colombia (western Andes and western slope of central Andes) to western Ecuador. Considered by some authors to be a subspecies of Eastern Wedge-billed Hummingbird (Schistes geoffroyi).
White-throated Daggerbill (Schistes albogularis) [XC257866]
by John V. Moore from El Oro: Reserva Buenaventura 9 km WNW Pi\u00f1as, Ecuador (call, foraging calls)
White-throated Daggerbill (Schistes albogularis) [XC647290]
by Andres Felipe Espinosa from Pichincha: Amagusa, Mashpi, Ecuador (call)