I have a bantam rooster I got when he was 2 days old...he is now 15wks old. In the last couple of weeks he has stopped roosting and will just sleep on the pooping board under the hens. And I have noticed he seems a little wobbly like off balance some & he will let his right wing drag. Just a few mins ago I found him on his back, legs & toes curled, head twisted around- I thought he was dead. All the hens were standing around looking at him. I went to pick him up & he started moving and then walking un-steady with his wings hanging. This is the 2nd time I have found him this way the last time was last weekend. He eats and drinks good, Poops fine. Any thoughts or advise would be appreciated. He has never been around any other chickens except my little flock. All the hens have no symptons.