Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds – the ‘thwop’, ‘muah’, and ‘boop’s of a humpback whale, for example, or the boing of a minke whale.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Oceans are noisy places, but scientists aren’t always sure what ...