Scientists discover blue whale may be heaviest animal ever
Perucetus colossus was a 17-metre-long whale believed to have weighed up to 340 metric tonnes – ALBERTO GENNARI/PA A 40-million-year-old fossilized whale, previously thought to be the heaviest animal of all time, is now thought to be lighter than a blue whale. The massive 17-metre-long whale, believed to have very dense bones, was initially thought… Read More »