The goffin cockatoo is amongst the smaller cockatoo species. The male and female look the same. The undersides of the wing and tail feathers have a yellowish tinge. The same as all members in the cacatuidae family. A goffin cockatoo is crested with a lot of feathers on its head. These cockatoos are very graceful when flying. They ranges in size from about 12 inches to about 27 inches. It is highly advisable to tame a goffin cockatoo to prevent unprecedented behaviour.