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Old August 29th, 2017 #90
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Ancient whales were fearsome predators with razor-sharp teeth, fossil analysis shows

The ancestors of today's gentle giants of the ocean were equipped with the razor-sharp teeth of a fearsome predator and could have hunted seals and penguins, rather than the tiny krill they eat today, scientists say.

The findings feed into the puzzle about how modern Mysticeti whales, which include blue, humpback and right whales, came to evolve bristle-like structures baleen that allow them to filter food from the water.