It is very simple. It is a classification of birds of the same color. You can use an extra board to place the bird, but actually, the original plank is quite enough for you. You should think about it before you start, as you will have to do the reset once. Since there will be more and more different species of birds in the future, the difficulty will increase. Starting from the tenth level, the difficulty will increase. Think about it first. Actually, it won't be difficult.
Playing birds lineup free online game support all smartphones or tablets, such as iPhone, iPad, Samsung and other Apple and android system.