Spirit Pig

The Spirit Pig is a pig that appeared in the Day Of The Dead Tournament of Angry Birds Friends!

Appearance
They are normal Medium Pigs but transparent, their sprite didn't change in the Computer Facebook version.

Gameplay
They would appear after the player defeated all the pigs, collected all the candles and the Xoloitzcuintle disappeared, they would appear and disappear while making the hard leaves go away and revealing hidden structures.