The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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A group of pugs is called a grumble.
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Dogs have four toes on their hind feet, and five on their front feet.
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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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A man is more likely to get a woman's phone number if he is accompanied by a dog.
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