Greedy Bird-a bird's war

The bird is lovely but greedy.
Make your bird as big as possible so it will eat the small bird,if not it will be eaten by other bird.
This game is very interesting but challenging.The rules of the game is the big bird to eat the small bird and your bird cant hit any obstacles between two birds.
You pressure the pump to make the bird to have a whatever size you want and release the pump to make the bird through the obstacles.You will win If your bird is bigger than the target bird ,otherwise you will lose.

Feature:
1.A variety of birds and background to choose.
2.Easy play but full of challenge.
3.Gorgeous game graphics.
4.leaderboards.