This bird lives in forests of eastern Madagascar. It has olive-green upperparts and yellow-tinged pale underparts, and searches in forest and trees for invertebrates.
The nominate subspecies N. v. viridis of southeastern Madagascar has olive-green head and upperparts. Its pale yellow-tinged throat and breast have olive-gray streaks.
It lives in humid tropical and montane forest and catches invertebrates in forest, bushes, and trees. In the eastern primary rainforest it is also recorded in damp, mossy areas.
An extinction-risk assessment has not been added yet.