Buff-winged Starfrontlet
Coeligena lutetiae
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'".
ID text from Wikipedia, CC BY-SA 4.0
White-tailed Starfrontlet
Coeligena phalerata
The white-tailed starfrontlet is about 14 cm (5.5 in) long. Both sexes have a long, straight, black bill, with the female's being somewhat longer than the male's. Both sexes have a white spot behind the eye. Both sexes also have a forked tail, but the male's is more deeply indented than the female's. Adult males have metallic dark green upperparts with a glittering turquoise crown. The entire tail is white, though the feathers when fresh have bronze tips. They have a blue gorget, mostly emerald green underparts, white leg puffs, and white undertail coverts. Voice: Only a few white-tailed starfrontlet vocalizations have been recorded. It is known to make "a high-pitched chattering 'tsee-tsee-tsi-tsi-tsirrrrr' and lower-pitched short rattles."
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Buff-winged Starfrontlet and White-tailed Starfrontlet.