1-6 2 Birds
Arc first blue bird between first two ice towers. Split bird so that top mini-bird strikes stone slab under top birdcage. Slab should fall and dent or destroy labeled crate to the right of bottom birdcage.
Arc second blue bird to mop up debris and destroy crate if not done already with first bird.
2 Stars: 63,000
3 Stars: 70,000