My daughter was given a young cockatiel (12 weeks old) a little over a week ago. The bird cannot grip well and he shuffles when he walks. He sits on low perches at times but prefers the bottom of the cage, where he then leans back on his knees. I am just wondering if you have heard of this condition and if there is anything we can do to help. We do have an appointment with an avian vet next week.