Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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There's a rare breed of pig that looks like a sheep.
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