I would consult a vet and separate him from the rest. I am so sorry this is happening to you.
I would consult a vet and separate him from the rest. I am so sorry this is happening to you.What can I do. Father cockatiel attacked his babies once they leave the nest. One died one has survived after losing a leg. Still being feed by both parents. Then this morning found the third one has been attacked, bloody and possibly without a leg also