Sulphur-Crested Cockatoo Colors and Markings Sulphur-crested cockatoos are primarily white with black beaks. They sport a good looking crest of yellow feathers on top of their heads. It's a yellow wash over the underside of its wings. Give your cockatoo a lot of interactive toys that could be chewed, https://maxima960nak9.elbloglibre.com/profile