Don't worry. You will encounter the bird a lot more and it will stil flee. You can check it's whereabouts on the Pokédex. After a while you wil find it in the Sea Spirit's den. More info can be found on this page: http://www.serebii.net/xy/legendary.shtml Look under roaming Pokémon.
Good luck ^^, you're not the only one who already used the Master Ball.
I'm a Christian and I have autism. Both makes people special. Does this mean I'm double special? The answer is ''No'' because everyone is equally special.
Dear Scyther. You introduced me in the world of Pokémon. And now I've claimed you to be my best Poképall
BTW: I'm a girl ^^
Looking for Friend Safari's. Mine is Bug with Ledyba, Illumise and Venomoth.
PM or VM me for Friend Code exchange, trades and battles. I'm not a compettitive battler.