The Probosciger genus consist of a single specie - the Palm Cockatoo - with three subspecies.
The Palm Cockatoo lives in rainforests and forest landscapes in New Guinea. The subspecies P. a. goliath is also found on the Papuan Islands and the nominate subspecies P. a. aterrimus is also found in northeastern Australia at Cape York.
Species and subspecies
- Probosciger aterrimus - Palm Cockatoo
- Probosciger aterrimus stenolophus
- Probosciger aterrimus goliath
- Probosciger aterrimus aterrimus