The Chainsaw Bird looks like large, light green Boomerang Bird with spikes on it's beak. It rotates in the air like the Boomerang Bird but instead of boomeranging backwards it spins at approximently 150 mph. It chainsaws though half of the structure causing major damage.
Power: Chainsawing through half of the structure.
Appearance: Angry birds the trip to mars level 1-19 to