Which kind of food items does the chicken consume; does it have most loved treats? Has the hen been into a veterinarian? If you are purchasing a young bird, be sure it is totally feathered and absolutely weaned (would not have to be syringe fed or dad or mum fed). https://cockatiel-for-sale95173.eedblog.com/33362208/the-best-side-of-cockatiel-for-sale