Grey Ice Bird

The Grey Ice Bird is Crystal(Ice Bird) when he was teleported to the world of colors with Terence and Hal in Angry Birds Color Adventure.

The Power of Grey Ice Bird
In this game Crystal receives the power to launch a jet of bright ice and then it explodes in a giant glow that blinds enemies

Grey Ice Bird in the game
Crystal has a normal appearance Ice Bird, it only changes color, it changes to gray, when it burst, the brightness does get a little white.