WHAT DOES COCKATOO SULPHUR CRESTED MEAN?

I are now living in the central west and 5 times ago a Sulphur Crested cockatoo came to go to. He has not still left. He appears to be like really healthier and flies off to where ever big birds go at night. Trouble is I fed him. He now wakes me up Each individual early morning trying to demolish the cat cage plus the wood windows.Cage & out of cag