A whale sends out an echolocation whistle using air sacs. It detects the reflected sound via its jaw and inner ear.
photo
Echolocation
![a diagram of a killer whale using echolocation](/sites/default/files/styles/3_2_large/public/2023-11/killer-whale-echolocation-NOAA.jpeg.webp?itok=fr8yh3zk)
A whale sends out an echolocation whistle using air sacs. It detects the reflected sound via its jaw and inner ear.