the family Cacatuidae. Along with the Psittacidae family (the true parrots ), they make up the order Psittaciformes . The name cockatoo originated from the Malay name for these birds, kaka(k)tua (either from kaka "parrot" + tuwah, or "older sister" from kakak "sister" + tua, "old"[ verification needed ]). Cockatoos share