The intelligence of the Border Collie is the first of its kind in the canine class, equivalent to a 6-8 year old. The Border Collie is a very well-proportioned, medium-sized, robust-looking breed that displays grace and agility commensurate with its physique and energy. With his muscular, solid body and smooth outline, the Border Collie gives the impression of moving effortlessly and with great agility and activity, while he has endless stamina. This trait also makes him the world’s number one ranked sheepdog; he is energetic, alert and enthusiastic, and his intelligence is one of his main characteristics.
