Join the great sport of pigeon racing with the American Racing Pigeon Union. Find out why homing pigeons are so much fun. Learn to build your own lofts. The AU ARPU has over 90 years of experience with these flyers. Found a lost pigeon? Locate its owner here. Winspeed software available. The k-factor. ARPU membership information is on-line. Help us Help-a-Beginner program. Pigeon breeders links