If the signal returns it means that there is some body or barrier in the path of the signal emitted by the animal.
What do they use this modus operandi for? To calculate the distance of the obstacle by the time it takes to return the signal, which can be used as a report of the position of the object against which the previous one was impacted.
The Ping utility checks the status of the connection to one or more remote computers, using the echo request packets and their eco-reply response, which are part of the ICMP protocol. Thus, we can determine if a specific IP system is accessible on a network.
