A 42-foot sperm whale has about 7 tons of oil in it.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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Vanilla flavoring is sometimes made with an ingredient from beaver pee.
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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17