We commonly see members of the parrot family with this complaint. The main candidates are household pets. A complete, thorough scientific approach is needed to identify the possible cause. An improvement in diet can help to assist in new feather growth and the quality of feather generated. We advise the use of - Pretty Bird or Harrison's for complete nutrition of birds.
Psychological problems are the most common cause of feather plucking.
How to approach the problem. Firstly a definitive diagnosis is needed, or a working diagnosis which is the most likely cause. It is wise to consider blood tests to rule out any physical disease. Examination of the skin and feathers needs to be done to rule out any possibility of external skin disease. If the above tests are negative, the bird is likely to have a psychological problem.