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Blue whales: a look at Earth's largest animal

Blue whales were once abundant in most oceans but were nearly wiped out through overharvesting and are now endangered, numbering between 5,000 and 12,000, which is why the recent discovery of nine blue whale carcasses found trapped in ice off Newfoundland is so devastating.

Up to 9 blue whale carcasses found trapped in ice off Newfoundland, DFO says