The white plumage, black bill and distinctive sulphur-yellow crest of the common and familiar Sulphur-crested Cockatoo distinguish it from all other cockatoos found in Australia. Although the normal diet consists of berries, seeds, nuts and roots, the Sulphur-crested Cockatoo has become a pest around urban areas, where it uses its powerful bill to destroy timber decking and panelling on houses. It is a noisy and conspicuous cockatoo, both at rest and in flight, there have also been instances where people have heard a Sulphur-crested Cockatoo say a human word or phrase. The most common call is a distinctive loud screech, ending with a slight upward inflection. It is found in a variety of timbered habitats throughout northern and eastern Australia.