Orange Bird is a medium bird (as big as the Red Bird) that when clicked or tapped or left for a few seconds after landing, in will turn to enormous size. It eats balloon everyday. He is really effective if you launch him into a small space.
He launches in 2011.
It first appeared in Ham'o'ween, a new Seasons episode. It also appears in birdday party in angry birds
His name is Oaty