A group of pugs is called a grumble.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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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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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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The colossal squid has the largest eyes in the world.
4