The Purple Sunbird, Cinnyris asiaticus or Nectarinia asiatica, is a sunbird. The sunbirds are a group of very small Old Worldpasserinebirds which feed largely on nectar, although they will also take insects, especially when feeding young. Flight is fast and direct on their short wings. Most species can take nectar by hovering like a hummingbird, but usually perch to feed most of the time.
Purple Sunbird is an abundant resident breeder across tropical southern Asia from the Persian Gulf to Southeast Asia. sub-Saharan tropical Africa. One to three eggs are laid in a suspended nest in a tree.
Purple Sunbirds are tiny, only 10cm long. They have medium-length thin down-curved bills and brush-tipped tubular tongues, both adaptations to their nectar feeding.
The adult male is mainly glossy purple. The eclipse male has a yellow-grey upperparts and a yellow breast with a blue central streak extending to the belly. The female has yellow-grey upperparts and yellowish under parts, and a faint supercilium. The call is a humming zit zit.
This species is found in a variety of habitats with some trees, including forest and cultivation.
Reference
Birds of India by Grimmett, Inskipp and Inskipp, ISBN 0-691-04910-6
The sunbirds and spiderhunters are very small passerinebirds which feed largely on nectar, although they will also take insects, especially when feeding young.
Although they are completely unrelated, the sunbirds find counterparts in the hummingbirds of the Americas and the honeyeaters of Australia.
The sunbirds are tropical species, with representatives from Africa to Australasia; however, the greatest variety of species is in Africa where the group probably arose.