What is the smartest dog?
Border collie: a workaholic, this breed is the world’s premier sheep herder, prized for its intelligence, extraordinary instinct, and working ability. Poodle: exceptionally smart and active. Border collie according to the intelligence of dogs, which ranks 131 dog breeds in terms of their relative intelligence, the border collie is the smartest dog breed known to man.German Shepherd. A German Shepherd is a very common working dog, and it’s thanks to their huge intelligence. This is a breed who has been a devoted companion to the armed forces, police and security services, so you may not be surprised to know that they are one of the cleverest dog breeds.