I have had two hens diligently sitting on a couple duck eggs. This morning they were fighting over one that had pipped the night before. He was almost out of the egg and I decided to remove him and put him in the brooder. A couple minutes later he pushed himself through. Since he hatched about 5 hours ago, he hasn't opened his eyes or tried to walk yet. If I talk to him, he starts peeping and wiggling but that is it. Is this normal? I am afraid they did some damage by fighting over the hatching egg.