More info on Royaltiel: The King Cockatoo Pokemon. (Flying Grass type) The evolution of Akcowing. Name Stems from Royal, and Cockatiel. Pokedex entry: "A very Royal Pokemon, all the bird Pokemon in the region do deeds for Royaltiel, not because they are slaves, it's because it's the only way for them to get the delicious berries that grow on Royaltiels crown."