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A Dog has exceptional hearing

There are quite a few animals that can hear higher frequencies than humans. Some of those animals include dogs, cats, dolphins, and porpoises.

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To add to the list, the echo-locating species of bats are the real champions of ultrasound, with some using complex wide-band chirps significantly over 100kHz, and at high call repetition-rates, to home in on a prey insect. Not only emitting these calls, but hearing and analysing the faint echoes fast enough, in no more than a few grammes of brain, to control the flight. Their social calls (to each other) are generally lower, commonly around a modest 50kHz. Their location / hunting call intensity can be remarkably high too: some bats call at >100dB re 20 micro-Pascals, a sound pressure level which if persistent at human audio frequencies (<20kHz) would endanger our hearing. Despite this intensity, their power is very low: bats are only wee furry little creatures after all!

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