- Destructive Chewing: Their impressive beaks could be harmful if not provided with suitable toys and activities. In some parts of Australia, sulphur-crested cockatoos can be quite a lot of, and should induce harm to cereal and fruit crops and recently planted tree seedlings, along with gentle timber on homes https://miken888eox0.bloggerchest.com/36155097/the-smart-trick-of-sulphur-crested-cockatoo-price-that-no-one-is-discussing