The most expensive cow in the world was sold in 2009 for $1.2 million.
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When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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