He is also lop sided. One wing has broken feathers, and the other has full flight, that to me is the problem, it's the crash landings on the tail that have broken the feathers, plus the banging around
in the cage. My bird had that for the longest time same problem, but after it's molt flight and tail feathers grew back so now I need to get the flight feathers clipped again.
*Dog Comet Golden Retriever
No Sand Keets