The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Cats and dogs can hear ultrasound.
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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 Basenji dog is the only dog that is not able to bark.
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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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