Yorkshire. Yorkies are smart pet dogs. Yorkshire is ranked 27th in IQ, which is still a relatively high ranking. Although Yorkshire is not as smart as Border Collies and Poodles, Yorkshire is still smarter among pet dogs. Although Yorkshire is small in size, Yorkshire learns things quickly. Yorkshire is especially sticky to its owner and loves to follow him. Yorkshire's small brain is still relatively flexible. Yorkshire is always trying to please his owner and make him happy. Yorkshire also observes his words and colors. When Yorkshire sees that his owner is unhappy, Yorkshire will come to rub against his owner to express his comfort to his owner. When his owner is happy, Yorkshire will tease his owner like a monkey. The Fawn Dog has the 37th highest IQ among dogs and is one of the smarter dogs.