Although most people think of a large parrot with white feathers and a yellow crest when they think of a cockatoo, cockatoos actually come in many different colorations and sizes. However, it is true that all cockatoos have large crests, as well as distinct curved beaks..
There are dozens of species of cockatoo, all of which can befound in Australia, Indonesia, the Philippines, New Guinea, and theSolomon Islands. Cockatoos are generally large birds, althoughcockatiels are a member of the same family and are very small incomparison. Want to know a cool fact? The crest of the cockatooactually reflects how they're feeling. A vertical crest showspleasure or excitement, a crest parallel with their body showsneutrality, and a flattened crest depicts fear or hostility.