Sulphur-Crested Cockatoo Colors and Markings Sulphur-crested cockatoos are mainly white with black beaks. They sport an attractive crest of yellow feathers on top of their heads. It's a yellow wash about the underside of its wings. In other situations, the bird owners can’t fiscally support the cockatoo’s growing needs, https://abrahaml393vhr2.iamthewiki.com/user