Maybe that's how he fell from the great turning rack in the sky!!! He doesn't look like anything else I have and he is really big! I though he was a poult at first.
Um you know those odd ones can show up after a time when one night you have too many kahluas. I've heard of these surprises with other hens too. Those Roos might look pretty good then, but look what happens later. You have to try to figure out who's the dady.