They produce ultrasonic waves.
with their wings
It uses "sonar" technology where it can detect obstacles in front.
With their wings, if they can fly during the day there is no reason they cannot fly at night.However, if you mean why can they fly in the dark without hitting things, it is because they use sonar to navigate.The bat sends out a call and then listens for the echo, from the time between when it sent out the call to when the echo arrives it can work out how far away things are and so avoid them.
Bats are nocturnal animals, which means they are active during the night and sleep during the day. They also tend to live in very dark places. Because they usually fly in the dark, sight would not help them much (because you can't see without light). Echolocation can be used without light, so bats use it to help them fly inplaces where they can't see.
Bats live in dark places because they are most comfortable there. They can hide and sleep in this dark place.
because bats only live in the dark
Bats are the only mammals that have wings and can fly. They mostly thrive in dark caves around the world.
because bats and owls could see and fly at night
Bats are nighttime hunters. Every evening as dusk settles in, you will find bats flying around eating the bugs out of the air.
Because bats are the only type of animal that have fur, and can fly.
It helps them to fly. Bats don't actually fly, they glide, because they don't flap their wings like birds do. Above is incorrect..Bats do fly, flapping all the way..Sugar gliders, flying squirrels glide.. Bats are our only mammals that fly.
Because vampire bats live in dark caves