It is monotypic within the genus Rhagologus and family Rhagologidae .
The mottled berryhunter or mottled whistler ( Rhagologus leucostigma ) is a species of bird whose relationships are unclear but most likely related to the woodswallows , boatbills and butcherbirds .
It is monotypic within the genus Rhagologus leucostigma and Rhagologus leucostigma Rhagologus leucostigma .
The mottled berryhunter or mottled whistler ( Rhagologus leucostigma ) is a species of bird whose relationships are unclear but most likely related to the woodswallows , boatbills and butcherbirds .