The White-winged Robin has velvety black plumage and white patches in the wings. In New Guinea's mountains it forages in the lower forest levels for insects and also takes fruit and seeds.
Adults have velvety black plumage and white patches on the tertials. The sexes are similar; juveniles are dark brown with pale streaks on body and upperwing feathers.
It occurs mainly in montane moss forest at about 2,400–3,900 m, sometimes lower. It forages in lower forest levels for insects and also eats fruit and seeds.
At three nests watched near Mount Hagen in Papua New Guinea, males fed incubating females and both sexes fed nestlings. One nest also had an immature helper.
An extinction-risk assessment has not been added yet.