Points Requied for 3 Stars - 80,000
Method 1: Aim for the middle of the bottom vertical stone, get lucky and it will destroy everything.
Method 2: Aim for the wood box under the front blue bird's cage. This should take out the front blue and red birds. Use your second bird to lob over the structure and break the wood under the rear large bird cage, this should also get the TNT and all the cages.
Birds Required: 1
Difficulty: Very Hard