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Dolphins hear about 7.5 times better than we do. A dolphin’s hearing range is between 0.2 – 150 kHz, with peak sensitivity falling between 8 – 90 kHz. A human’s hearing range is between 0.2 – 17 kHz, with peak sensitivity falling between 0.5 – 4 kHz. Thus, humans are incapable of hearing a large range of sounds both produced and heard by dolphins.
