The male Rufous-bellied Niltava has a blue crown, face, throat, and back with sandy-brown underparts. It lives in forest bushes and undergrowth and feeds on small invertebrates.
The male has a pale blue crown, dark blue face, throat, and upper back, with sandy-brown underparts.
It uses broad-leaved evergreen forest and mixed coniferous and deciduous forest, staying in bushes and undergrowth. Its diet includes invertebrates and larvae such as ants and beetles.
The pair builds a nest using moss, fern stems, leaves, and fine roots.
An extinction-risk assessment has not been added yet.