This whistler occurs in the Bismarck Archipelago. A phylogenetic study describes males in this island group as white-throated, and a field survey recorded the bird from young regenerating to mature forest.
The phylogenetic study describes males of Pachycephala citreogaster in the Bismarck Archipelago as white-throated.
The WCS report gives a species-specific account of the Bismarck Whistler, recorded and caught at both Nae and Lolieng on Mussau. It places the bird from young regrowth beside lowland gardens to mature secondary and primary forest at higher elevations. Seven birds were mist-netted.
An extinction-risk assessment has not been added yet.