'Also used by bats, this method of using reflected sound helps a porpoise navigate underwater'
Echolocation
THE PORPOISE: Also used by bats, this method of using reflected sound helps a porpoise navigate underwater
Also used by bats, this method of using reflected sound helps a porpoise navigate underwater
Also used by bats, this method of using reflected sound helps a porpoise navigate underwater
THE PORPOISE
Echolocation
THE PORPOISE