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Greater Sulphur-crested Cockatoos (Cacatua galleria) are the largest of the Sulphur-crested group. They have a dark grey-black bill, a distinctive sulphur-yellow crest and a yellow wash on the underside of the wings. Greater Sulphur-crested Cockatoos can live upwards of 60 years. The Sulphur-crested Cockatoo lives in wooded habitats in Australia and New Guinea and some of the islands of Indonesia. The popularity of the Sulphur-crested Cockatoo as a cage bird has increased its range, as these birds either escape or are released in areas where they do not already occur.
Greater sulphur crested cockatooLesser sulphur crested cockatooMedium sulphur crested cockatoo