Sperm whales make sounds like human vowels, scientists report

NPR | By Megan Lim,

Published April 16, 2026 at 3:52 PM CDT

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A new report from scientists at Project CETI demonstrates that the noises that sperm whales make to communicate with each other contain what humans would describe as vowels.

Sperm whales make sounds like human vowels, scientists report

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