comprehension Cockatoo Parrots available for purchase in Australia course: Aves (Birds) purchase: Psittaciformes household: Cacatuidae Subfamily: Calyptorhynchin Subfamily: Cacatuinae Genera: 5 Species: 20 lifetime SPAN (Cockatoo Parrots) nearly 60 many years or for a longer time, depending on the species. Some cockatoos in specialist care hav