It has a dark grey-black bill, a distinctive sulphur-yellow crest and a yellow wash on the underside of the wings.
Sulphur-crested Cockatoos are widely distributed throughout open timbered country in northern, eastern and southeastern mainland Australia, as well as Tasmania and several smaller offshore islands.
Sulphur-crested Cockatoos are widespread throughout north, east and south-east Australia.
Sulphur-crested Cockatoos are mainly seed-eaters, feeding on seeds of grasses, herbaceous plants, trees and grain crops. They also eat bulbous roots, berries, nuts and leaf buds, and some insects and their larvae.
The greater sulphur-crested cockatoo is the largest of the sulphur-crested group.