Sulphur-Crested Cockatoo Colors and Markings Sulphur-crested cockatoos are principally white with black beaks. They sport a beautiful crest of yellow feathers along with their heads. It's a yellow clean around the underside of its wings. They're large, white cockatoos with unique yellow or orange crests on their heads. They https://friedensreichf048hrf6.topbloghub.com/profile