The end credits contain an inaudible digital watermark which can be used to unlock new levels and other content in the Angry Birds Action! mobile game.
In a mid-credits scene, the Blues use the slingshot to activate their powers.
The first half of the closing credits revolves around the characters from both islands dancing to the cover of "I Will Survive", performed by Demi Lovato, heard via Mighty Eagle's gramophone from his hideout.
The opening credits revolves around the flashback montage of Red having anger issues throughout his life.
The main title animates after the movie's ending. The sliver "ANGRY BIRDS" word-mark reveals by lighting up , followed shortly by the red words "THE" and "MOVIE" fading in at the top-left and bottom-right respectively. After a few seconds, when the last note hits, the title draws forward.
The end credits are accompanied by pictures retelling several scenes from the movie. Among the pictures are feathers, eggs, birds, balloons, TNT, dynamite, beach balls, umbrellas, presents, worms, items from Eagle's cave, flowers, and cowboy outfits.