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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Dogs can make about 100 different facial expressions.
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The Basenji dog is the only dog that is not able to bark.
4
A group of pugs is called a grumble.
10
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7