cock·a·too 
(kŏkə-t′)
(kŏkə-t′)n. pl. cock·a·toos
Any of various parrots of the family Cacatuidae of Australia and adjacent areas, characterized by a long erectile crest.
[Dutch kaketoe, from Malay kakatua.]
cockatoosulfur-crested cockatoo
Cacatua galerita