Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Sheep, goats, octopuses, and toads have rectangular pupils.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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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 forget where they hide about half of their nuts.
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When dragonflies mate, their tails form a love heart.
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