Is the sparrow flying at home?

It is normal for the sparrow to fly at home, indicating that there may be holes in the corner.This kind of plant seeds that eat grasses are harmful to crops, but the breeding period will prey in insects that can prey in the scales.In addition, because this bird lives in a place where humans gather, they also eat foods discarded by humans, and their food nature is relatively mixed.It has a small body, but it is very widely distributed, and has good adaptability, and has a strong reproduction ability. It is one of the more common birds.