The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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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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When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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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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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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