c140f009-cc07-45ae-8937-140b6f89e689

2023-08-13
c140f009-cc07-45ae-8937-140b6f89e689

Extinct 39-million-year-old whale 'may be heaviest animal that ever lived'

The ancient species, named Perucetus colossus, is thought to have weighed up to 340 tonnes.

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