The Black-headed Whistler feeds on invertebrates in forest and semi-open habitat. In a local Mt. Wilhelm survey, several birds were seen at 600–700 m, and an active nest was reported at about 850 m.
It is about 15–16 cm long.
The species account describes an invertebrate-eater of forest and semi-open habitat. In the Mt. Wilhelm survey, several birds were observed at 600–700 m and an active nest was reported at about 850 m.
An extinction-risk assessment has not been added yet.