What type of foods does the fowl try to eat; will it have favourite treats? Has the fowl been to your veterinarian? If you're purchasing a young fowl, be certain it really is thoroughly feathered and totally weaned (isn't going to should be syringe fed or mum or dad fed). https://birdparadiseaviary.com/product-category/birds-for-sale/cockatiels-for-sale/