As human, we use our senses to keep ourselves out of danger and choose our favorite food.
But other animals use their for very different reasons.
One animals,the bat, uses a unique sensing system called echolocation.
This term is made up of two words " echo" and "location".
Using special sound pulses, the bat detects the echoes produced by those sounds.
It sensitive ears and brain "see" their surrounding,much like radar on an airplane. Bats use this system to navigate though the air.
Bats can find their way home up to 600 km away using echolocation.