Follow these instructions to get 3 stars on Mighty Hoax level 4-4
1. Aim the first bird at the center of the bridge like structure.
2. Launch the second bird near of the same spot where the first bird was hit, which will destroy the pig underneath it, and will leave an opening.
3. Aim the third bird near the same spot where the first bird was hit opposite to where the second bird was knocked. The third bird will hit the wooden structure of the bridge and will leave an opening and destroy the pig inside it. Because of the immense impact of the aim the pig on the left side will fall and the falling wood will hit the pig.
4. Launch the last bird on the left side if the remaining pig.