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Famous lion that featured in Big Cat Diary found poisoned -
The lake that reveals humanity's birth -
The magic substance that gives us life -
Monkey turns weapons on tortoise -
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Seven of the world's most ingenious predators -
What makes a winning wildlife photograph? -
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A lone zebra takes on four rivals in an epic battle -
Scotland's unexpected Jurassic island -
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Ten reasons to love winter -
The lizards that suck up water with their skin -
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9 images celebrating Scottish wildlife -
How hot could the Earth get?