Some birds with chemical imbalances become feather pickers and when the diet is corrected, the feather picking stops.
(Some birds with chemical imbalances; become; feather pickers) (the diet; is corrected; ) (the feather picking; stops; T:when the diet is corrected)
Some birds with chemical imbalances the diet the feather picking
become is corrected stops
feather pickers
T:when the diet is corrected