Hanging parrot
Hanging parrots are birds in the genus Loriculus, a group of small parrots from tropical southern Asia.
About long, hanging parrots are mostly green plumaged and short-tailed. Often head coloring helps to identify individual species. They are unique among birds for their ability to sleep upside down.
Taxonomy
The genus Loriculus was introduced in 1849 by the English zoologist Edward Blyth for the blue-crowned hanging parrot. The name is a diminutive of the genus Lorius that was introduced by Nicholas [Aylward Vigors] for the lorys in 1825.Fifteen species are recognised: