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Rats Don't Really Squeak

Despite what movies would have you think, rats barely ever听make any sounds, at least those that humans are able to hear. Rat鈥檚 vocalizations . For reference, human鈥檚 can hear roughly 2-20 kHz, so the vast majority of rat noises made are well into the ultrasonic spectrum. Pet and wild rats alike will seem almost mute, unless put into extreme distress, when they will squeak or shriek audibly. If you record rats with an ultrasonic microphone however, you find that , to convey everything from joy to dominance and !


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