Parent: Pachycephala

└─ Pachycephala philippinensis (Yellow-bellied whistler)

└─── Pachycephala philippinensis apoensis

└─── Pachycephala philippinensis basilanica

└─── Pachycephala philippinensis boholensis

└─── Pachycephala philippinensis fallax

└─── Pachycephala philippinensis illex

└─── Pachycephala philippinensis philippinensis

└─── Pachycephala philippinensis siquijorensis