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There are several distinct traits that make mammals different from other animals, with the most significant ones being that ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

Look out, blue whale – there’s a new contender for your heavyweight title. A newly discovered whale that lived nearly 40 million years ago could be the heaviest animal to have ever lived ...

the Perucetus colossus whale. Previously, the largest known animal in the world was the blue whale, weighing up to 180 tons and reaching 100 feet long. The blue whale's tongue alone is as heavy as an ...

As Earth’s largest animals, blue whales are mighty big eaters, gulping tonnes of food each day. They also now are ingesting huge amounts of plastic, according to scientists, due to the alarming ...