Border Collie
One of the smartest pooched out there is, in fact, the Border Collie, well known across the world for its sweet nature and a quick mind. Collies pick up complex tasks quickly and easily.
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They also have the mental stamina to deal with multiple and specific commands at once. Regularly victorious at obedience competitions and sheepdog trials, the Border Collie is regularly ranked as the cleverest breed of all domesticated dogs.