This bird is endemic to Taiwan. A white band runs from the base of the bill to behind the ear, and groups move through the middle and upper levels of forests.
A white band runs from the base of the bill to behind the ear on both sides of the face. Males and females have the same plumage, including a glossy blue-black head.
It inhabits broad-leaved and conifer–broad-leaved mixed forests, often flying in groups through the middle and upper layers of woods. The account gives an elevation range of 1,000–2,400 m.
An extinction-risk assessment has not been added yet.