animals

Cats can hear ultrasound

Maybe it is not a ghost that your cat sees when it randomly jumps up and runs out of the room. Maybe it was something it heard, instead. Cats have amazing hearing, much better than that of a human and even better than that of a dog. Cats can hear in 11 octaves, 2 more than a human and 1 more than a dog. Cats can hear at such high frequencies that they can actually hear ultrasonic sounds, those that are well above the upper limit of the human hearing range.

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