Niltava
Niltava is a genus of passerine birds in the Old World flycatcher family Muscicapidae. They are found in found in South and Southeast Asia as well as in China. The seven species in the genus are sexually dimorphic. The males have blue upperparts and all except the large niltava have orange-rufous underparts. The females are less brightly coloured and have brown upperparts and buffish underparts.
Taxonomy
The genus Niltava was introduced in 1837 by the English naturalist Brian [Houghton Hodgson|Brian Hodgson] with the rufous-bellied niltava as the type species. The genus name is from the Nepali word Niltau for the rufous-bellied niltava.The genus contains the following seven species: