2nd, inquire all over for suggestions from mates or family members who have birds. Third, go to the breeder’s facility to be sure it is actually clean up and well-preserved.
He is often noisy (as all cockatoos are!) https://sairatgrm416890.rimmablog.com/30253899/the-single-best-strategy-to-use-for-female-cockatoo-for-sale