Rodent - Behavior and life history - Communication - Auditory

It has been reported that brown rats use ultrasound for echolocation.[46] The frequencies heard by rodents differ between species. The table below shows the hearing ranges of several species.[56]

Reference 1: Lower limit (Hz), Higher limit (Hz) and Specific calls.

Reference 2: Human, Rat, Mouse, Gerbil, Guinea pig and Chinchilla.

Source: http://en.wikipedia.org/wiki/Rodent