The Blue-tufted Starthroat has a long, slightly curved black bill. Males have a violet-glittering throat and blue feathers on the sides of the neck and breast. It feeds mainly on nectar and also catches small insects in flight.
Males have green to coppery-green upperparts, a glittering violet throat, blue feathers on the sides of the neck and breast, and a forked tail. Females are duller, with a gray throat and underparts, a pale line down the belly, and white tips to the outer tail feathers.
It uses open and semi-open sites, including forest edges, savanna, grassland, and flowering scrub. Nectar is its main food; it also catches small insects in flight. Males may defend flower-rich patches.
An extinction-risk assessment has not been added yet.