Understanding Cockatoo Parrots available in Australia course: Aves (Birds) get: Psittaciformes household: Cacatuidae Subfamily: Calyptorhynchin Subfamily: Cacatuinae Genera: 5 Species: twenty existence SPAN (Cockatoo Parrots) approximately 60 several years or for a longer period, depending upon the species. Some cockatoos in skilled treatment