Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Dogs have been man's pet for over 14,000 years.
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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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Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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