cockatoo parrot(n = noun.animal) cockateel, cockatiel, nymphicus hollandicus - small grey Australian parrot with a yellow crested head;
is a kind of parrot
is a member of genus nymphicus, nymphicus

cockatoo, parrot, parrot disease, parrot fever, pink cockatoo, poll parrot, sea parrot, sulphur-crested cockatoo, vaza parrot