comprehension Cockatoo Parrots available for purchase in Australia course: Aves (Birds) buy: Psittaciformes household: Cacatuidae Subfamily: Calyptorhynchin Subfamily: Cacatuinae Genera: 5 Species: 20 lifetime SPAN (Cockatoo Parrots) Up to sixty decades or for a longer time, based upon the species. Some cockatoos in pro care have lived around