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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A group of pugs is called a grumble.
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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 reindeer is the only mammal that can see UV light.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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The head of a jellyfish is called the "Bell."
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