Purple-throated Sunangel

The purple-throated sunangel (Heliangelus viola) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Ecuador and Peru. == Taxonomy and systematics == The International Ornithological Committee (IOC), BirdLife International's Handbook of the Birds of the World (HBW), and the South American Classification Committee of the American Ornithological Society (AOS) treat the purple-throated sunangel as monotypic. However, the Clements taxonomy splits it into three subspecies, H. v. viola, H. v. pyropus and H. v. splendidus. == Description == The purple-throated sunangel is 11 to 12 cm (4.3 to 4.7 in) long and weighs 5.1 to 6.6 g (0.18 to 0.23 oz). It has a short, straight, blackish bill. Both sexes have shining green upperparts and green bellies. Their central tail feathers are shining green and the others blackish. Adult males have a glittering blue-green frontlet just above the bill and a deep violet iridescent gorget with a blue-green pectoral bar below it. Adult females lack the blue-green frontlet and iridescent gorget. Their throat is tawny to off-white with bronzy green speckles. Juveniles are similar to the adult female. The differences among the "Clements" subspecies are treated by the other taxonomic systems as being…