Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Dogs have been man's pet for over 14,000 years.
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Two dogs were among the Titanic survivors.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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