Complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
Aviator for the Seasons	Seasons Eagled.
Boom Boom!	Unlock the Bomb Bird and destroy menu barriers.
Completely Classic	Get 3 stars on all Angry Birds Classic levels.
Flawless Plumage	Classic Eagled.
Free as a Bird	Send all seven birds on migration.
Mother of all Bombs	Unlock the White Bird and destroy menu barriers.
Return to Sender	Unlock the Green Bird and destroy menu barriers.
Rio Round Up	Get 3 stars on all Angry Birds Rio levels.
Rio? Naviated!	Rio Eagled.
Seeing Red	Unlock the White Bird and destroy menu barriers.
Serving Up Seasons	Get 3 stars on all Angry Birds Seasons levels.
Speed is the Essence	Unlock the Yellow Bird and destroy menu barriers.
Split It!	Unlock the Blue Bird and destroy menu barriers.
Top Talont	Get all other achievements.
Winging IT	Create a migration tune.