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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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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The Basenji dog is the only dog that is not able to bark.
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In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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One in three dog owners say they have talked to their pets on the phone.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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