Rare hummingbird known only from a few locations in the northern half of Colombia’s western Andes. Large and long billed with iridescent green belly and rump. Male has glittering green forehead and sapphire throat patch. Female lacks these features and instead has a buffy throat and mustache. Inhabits humid forest at high elevations up to tree line. Feeds on a variety of flowers, and regularly visits feeders in the reserve that bears its Spanish name, the Colibrí del Sol Nature Reserve above the town of Urrao.