Taiwan vivid niltava 
(Niltava vivida) or small vivid niltava

The Taiwan vivid niltava (Niltava vivida) or small vivid niltava is a bird in the family Muscicapidae. 
The bird is endemic to Taiwan.
The Chinese vivid niltava (Niltava oatesi) of the Asian mainland, which is larger in size, was formerly considered conspecific.

The genus name is from the Nepali word Niltau for the rufous-bellied niltava.
vivida Latin vividus vivid, animated, lively (vivere to be alive).