I AGREE WITH THE POSTS THAT THE PIGEONS DO GET STREETWISE TO THE HAWKS, BUT THAT DOESNT STOP THEM GETTING THEIR DINNER, AS I SAID B4 MY MATE WORKS ON HE FORTH RAIL BRIDGE AND SEES THE PERIGRINE KILLING EVERY DAY, AS FOR THE WHITE ONE, WELL THAT LASTED ONE AND A HALF YEARS ,BUT MR HAWK GOT IT IN THE END, ITS BAD ENOUGH FOR THEM TO KILL AND EAT THE BIRD ,BUT ITS THE THE RACING BATCH THAT GET PANICKED AND WILL FLY IN TO ANYTHING , WOODS , WIRES ,CARS EVEN BUILDINGS, IVE SEEN IT,SO ITS NOT EVEN JUST THE ONE THEY KILL ITS THE REST THAT GET INJURED, AND IM QUITE SURE THESE BIRDS NEVER RACE THE SAME AGAIN, SO I SAY THEY ARE THE FLYING RATS ,SPREADING ALL SORTS OF DESEASE, EVEN AVIAN FLU, AS THESE BIRDS TRAVEL AS WELL