Buff-winged Starfrontlet

The buff-winged starfrontlet is about 14 cm (5.5 in) long. Males weigh 6.9 to 7.2 g (0.24 to 0.25 oz) and females about 6.6 g (0.23 oz). Both sexes have a long, black, slightly upturned bill and a white spot behind the eye. Both sexes have a forked tail though the female's is not as deeply indented as the male's. Males of the nominate subspecies has velvety black upperparts with a glittering green forehead. They have a violet gorget and the rest of the underparts are dark green. The wings are dark with a large cinnamon-buff patch and the tail is bronzy black. Voice: The buff-winged starfrontlet makes a "thin, wiry chatter with rattles", often during territorial disputes. While feeding it often repeats "a characteristic, nasal 'unk'".