12. English Springer Spaniel
The English Springer Spaniels are known for being some of the bigger dogs of the Spaniel breeds. Due to their stature, they are often used as hunting dogs. They are highly skilled at catching as well. The English Springer Spaniel is smart and easily trained and loves playing fetch and spending time with people.
11. Pembroke Welsh Corgi
The Pembroke Welsh Corgi can often have a stubborn temperament, and that may be due to its high level of intelligence. This breed is known for being a part of the Royal Family for many years throughout history. As is the case with many other intelligent breeds, they require a lot of exercise in order to not become destructive.