Rudy's Pidgeot was to start with seen in his Health and fitness center dancing to new music. Later on, it was noticed traveling from the air with Rudy's referee on its back. It is assumed he works by using it when his challengers find a standard or Traveling-form Pokémon http://rudyenzyme55443.bloguetechno.com/The-Fact-About-rudy-That-No-One-Is-Suggesting-32604292