19 Smartest Dog Breeds

9. Shetland Sheepdog

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The Shetland Sheepdog is another breed of herding dogs. Most of them are pretty small and comes in a variety of color including sable, blue merle and tri color. These cute animals are known for their willingness to please and work hard. More than that, they are also very intelligent and energetic dogs who love to show off their agility and flyball skills.

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