Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Dogs have been man's pet for over 14,000 years.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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When dragonflies mate, their tails form a love heart.
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