What are the signs of bats entering the house?

Whether bats go into houses to hunt or build nests is not good for daily life.

1. Bats flying into the house may be an ominous sign from the perspective of real life. Because bats prey on ultrasound.

2. Sometimes bats may fly into the house to prey on insects, but it is also possible that bats may nest at home because of the type of room or the home environment.