He taught pigeons to play ping-pong, although they only rolled the ball back and forth by pecking it with their beaks.101 But they were pigeons. So even though they played badly, it was still pretty good. Skinner even taught his birds to pilot missiles during the Second World War, in Project Pigeon (later Orcon).102 He got a long way, before the invention of electronic guidance systems rendered his efforts obsolete.
