I have a hatch going on, and saw that one was having troubles. Decided to take a closer look, and took it out of the bator. I wish I had taken a picture. The chick had somehow grown through it's yolk, and had a "band" of yolk up and over behind his neck. I did what I could to get him untangled, and have little hope for his survival, but it was very interesting to me. Has anyone else had this happen?