Ugly Birds are as powerful and aggressive as angry birds. See, on the farm, the mouse are devastating whatever they want, destroying the plants, stealing eggs, and biting chickens. Ugly Birds are taking revenue now!
Speed up the yellow birds by clicking in the air. The pink birds can generate into 3 birds when click in the air. The big red birds are heavy enough to destroy the mouse's home. The brown birds can strike heavily. The black birds are bomb birds.