>>56685464TCRF? They used to say it could be Altaria, Rayquaza or Milotic but now that it has basically been confirmed (based on the recently leaked sprite sheets) that it it's actually Altaria, they have erased the earlier statement.
https://tcrf.net/Development:Pok%C3%A9mon_Ruby_and_Sapphire/Pok%C3%A9mon_Data