Sulphur-Crested Cockatoo Colors and Markings Sulphur-crested cockatoos are largely white with black beaks. They sport a beautiful crest of yellow feathers on top of their heads. It's a yellow clean over the underside of its wings. Alyson Kalhagen is undoubtedly an avian specialist and author with more than a https://rudys616cqb6.blogdemls.com/profile