Bronze-tailed Comet

The bronze-tailed comet (Polyonymus caroli) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is endemic to Peru. == Taxonomy and systematics == The bronze-tailed comet is the only member of its genus and has no subspecies. However, at one time the grey-bellied comet (Taphrolesbia griseiventris) was also placed in Polyonymus. == Description == The bronze-tailed comet is 11 to 13 cm (4.3 to 5.1 in) long and weighs about 4.8 g (0.17 oz). Adult males have dark bronzy green upperparts. Their tail is somewhat long and deeply forked and its central feathers are bronzy green. The upper surface of the other tail feathers are steel blue or purplish becoming bronze at the ends; their undersides are entirely steel blue. They have a white spot behind the eye. The gorget is large and rosy violet to rosy purple, and the rest of the underparts are bronze green. Adult females are similar to the males but duller. Their gorget is smaller and more orange and the tail shorter and less deeply forked. The belly is grayish with green speckles. == Distribution and habitat == The bronze-tailed comet is found on the Pacific slope and dry valleys…