The intelligence of these puppies matches their eagerness to please.
Border Collies, unsurprisingly, are the most intelligent breed of dog.
These herding dogs are well-known for their friendliness, stamina, and devotion to their profession.
Chaser, a magnificent Border Collie, is remembered
as the "most intelligent dog in the world."
They learn new commands faster and obey known ones better than most breeds.
Poodles are smarter than others.