Family Pachycephalidae

Aleadryas - Its natural habitat is subtropical or tropical moist montanes.

Coracornis - The Maroon-backed Whistler is a species of bird in the Pachycephalidae family.

Hylocitrea - The Yellow-flanked Whistler , also known as the Olive-flanked Whistler, is a species of bird that is endemic to montane forests on the Indonesian island of Sulawesi.

Pachycare - The placement of this species and genus within the passerines is uncertain.

Pachycephala - There are nearly 3 dozen species:

Rhagologus - The Mottled Whistler is a species of bird in the Pachycephalidae family.