Understanding Cockatoo Parrots available for sale in Australia course: Aves (Birds) purchase: Psittaciformes relatives: Cacatuidae Subfamily: Calyptorhynchin Subfamily: Cacatuinae Genera: five Species: 20 lifetime SPAN (Cockatoo Parrots) around sixty several years or for a longer period, dependent upon the species. Some cockatoos in skilled tre