Find Odd Game

This game's goal is to find odd bird from birds going arround the center.
In the center screen, many birds go arround the center.
One of them is different from others.
If you touch the different one, score will be increased.
If you touch the different one, birds' colors will be changed, too.
Within limited time, you must find many birds as many as possible.
Because the birds not stand but go arround the center, you need to see birds with caution.
With your fast speed, get high score as high as possible.
Compare your score with other's in global leaderboard.