I went out to feed the chicks and noticed that one of the chicks has a crooked beak. The top is normal but the bottom is off to one side. You can push it back to normal then it just bounce back to crooked. She eats and drink just fine but I dont have any idea how it could have happened. There is her and other chicks, all the same age about 3 weeks in the cage/brooder. What could have caused this??