The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Dogs have been man's pet for over 14,000 years.
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Cats and dogs can hear ultrasound.
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A man is more likely to get a woman's phone number if he is accompanied by a dog.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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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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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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A puppy is born blind, deaf, and toothless.
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