Does anyone remember the singing mice from the movie "Babe"?
Turns out the concept wasn’t entirely fictional after all. The Nov 2nd edition of the Taipei Times reprinted a story from The Guardian about the ultrasonic songs that mice make. Click on the link below for more:
Audio Clip #1 (Pitch reduced by 4 octaves)
Audio Clip #2 (Speed and pitch reduced 16X further)
Their songs are very similar to that of birds warbling away. Quite pretty, actually.