The green-backed robin (Pachycephalopsis hattamensis) is a species of bird in the family Petroicidae.

Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

[2] Their most common vocalization has been described as a "tu-wee" sound.

They also produce "piping whistles" and "raspy chur-chatters.

"[2] It breeds during New Guinea's wet season, and lays eggs in cup-shaped nests low to the ground in trees.