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Menopausal Mother Nature

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The most elusive whales reveal their secrets in their wakes

They may be big but we know almost nothing about beaked whales

Beaked whales leave clues to their nature in the water

Chris Newbert / Minden Pictures / Getty

We know next to nothing about some of the largest animals on the planet: the incredibly elusive beaked whales. But we could soon find out for the first time just how many species there are, by sequencing the DNA they leave in their wake.

Beaked whales can be up to 12 metres long but are hardly ever seen because they spend so much time deep underwater, sometimes diving to 3 kilometres. They also don’t survive in captivity.

There …

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