The Green-backed Robin lives in montane forest in western New Guinea and is reported from 760–1,650 m. It searches for arthropods on the ground and in low vegetation; an outlying record is from Mount Sisa in Papua New Guinea.
It has an olive-green back, rusty wings and tail, and a yellow belly. The account reports no plumage difference between males and females.
It searches for arthropods on the ground and in the low forest understory. Nests were reported in the Arfak Mountains during the wet season from November to January.
An extinction-risk assessment has not been added yet.