The ‘52-Hertz Whale’ Is The Loneliest Animal In The World—Here’s What We Know
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.
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Might of the wild: Here are the 8 largest mammals on Earth
From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.