Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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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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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Lobsters have blue blood.
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Mosquitoes don't just bite you, they also pee on you.
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Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
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