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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The octopus does not have a blind spot.
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Gorillas can catch human colds and other illnesses.
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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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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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