At least one species of bats, the Mexican free-tailed bat, has been observed using its sonar abilities to not only locate food, but to effectively guard resource food by jamming the echolocation of nearby bats.

For the scene in The Shining where Jack Nicholson types out “All work and no play makes Jack a dull boy” over and over, director Stanley Kubrick recorded an actual typist typing the words to ensure the sound effect in the movie was perfectly accurate.