Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Alligators can live up to 100 years.
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A 42-foot sperm whale has about 7 tons of oil in it.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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