
There are two subspecies of these birds, the Greater and Lesser Sulphur Crested Cockatoos. The Greater Sulphur Crested Cockatoos are quite large, and can reach lengths of up to 20 inches from the beak to the tail, weighing as much as 2 pounds. The Lesser Sulpher Crested Cockatoos are normally in the range of 13 - 15 inches in length.
Sulphur Crested Cockatoos are very sweet and affectionate companions.They are highly intelligent,energetic and social.The Sulphur Crested Cockatoo makes an exceptional pet that is capable of learning speech, tricks, and a variety of behaviors.