GPS tracing studies indicate that gravity anomalies could play a role in homing pigeon navigation. The information is to come by coded radio and homing pigeon messages. In Pigeon Post Roger releases a homing pigeon there. Roshan Chirag is a homing pigeon breed from northern India . Less common methods that have been employed include fax, homing pigeon and phone. This brace of close calls gained him the nicknames "Lucky Les" and "the homing pigeon".