just reading the cage and avery mag and there is a fact file in there about protecting bops it said they found many p.f dead and even some chicks they died through poisoning it says that the peaple to blame are game shooters and pigeon racers they also said that pigeon fanceirs are poisoning the pigeons so the poison gets eatin by many rare bops :-/ i do not know if the poison is true but its the birds faulit for eating the pigeon in the frist place