Add Yahoo as a preferred source to see more of our stories on Google. The blue whale holds the title as the largest animal ever known to have lived on Earth. This video explores how big blue whales ...
Animalogic on MSN
This is the most massive creature in Earth’s history
The blue whale is the largest animal to ever exist — bigger than any dinosaur that walked the Earth. Its heart is the size of a small car, and its tongue can weigh as much as an elephant. Yet this ...
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