Well bats use echo waves. These waves help them to know where everything is because bats are blind. See if you where standing there he would know your there with Eco waves with out actually seeing you
they use sound waves that mean somthing
Bats produce high frequency (also known as ultrasonic) sound waves, which they use as a type of sonar, to locate insects in the air.
sound waves
ultrasonic sound waves
Sonar is a system that locates objects by transmitting sound waves and detecting the waves when they are reflected off of objects. Bats and many other animals, such as whales and dolphins, use natural sonar to navigate and capture
ultrasonic waves help bats to see at night
ultrasonic sound waves
Some animals like bats and dolphins use sound to navigate. They do this by sending out sound waves. These bounce off of objects and come back to the animal. These returning sound waves are interpreted by the brain and create a kid of map for the animal.
ultrasound
Some animals like bats and dolphins use sound to navigate. They do this by sending out sound waves. These bounce off of objects and come back to the animal. These returning sound waves are interpreted by the brain and create a kid of map for the animal.
None ! Some animals such as bats, use ultra-sonic sound to locate prey, and 'see' in the dark.