Sparrow feed and breeding method

There are many sparrow feeds, such as millet, rice, wheat, grass seeds, bread worms, moths and other foods.This kind of birds are more common in my country. It has 27 different varieties, but the size and color are closer. There are 5 species in my country, which is widely distributed.Because it is very lively and brave, there is no problem for breeding. It is usually placed in a cage, which can prevent escape.