IN RAISEING PIGEONS THERE ARE A FEW THINGS THAT ARE FUNDMENTAL . THE PEN YOU RAISE THEM IN NEEDS TO BE WERE THE KEEPER CAN CONTROL THE BIRDS . BY THIS I MEAN THE SIZE OF THE PEN SHOULD BE WERE THE BIRDS CAN BE REACHED AND NOT BE ABLE TO FLY BY OR OVER THE KEEPER . BY THIS I MEAN A PEN 5 FOOT...