knowledge Cockatoo Parrots available for purchase in Australia course: Aves (Birds) buy: Psittaciformes relatives: Cacatuidae Subfamily: Calyptorhynchin Subfamily: Cacatuinae Genera: 5 Species: 20 everyday living SPAN (Cockatoo Parrots) around 60 yrs or longer, depending on the species. Some cockatoos in professional care have lived in excess