Sulphur-Crested Cockatoo Colors and Markings Sulphur-crested cockatoos are largely white with black beaks. They sport an attractive crest of yellow feathers along with their heads. It's a yellow clean over the underside of its wings. The cheapest cockatoo species will be the cockatiel. These are generally small customers of https://asenacal261pak8.evawiki.com/user