Most Intelligent
1. Border collie
2. Poodle
3. German shepherd
4. Golden retriever
5. Doberman pinscher
6. Shetland sheepdog
7. Labrador retriever
8. Papillon
9. Rottweiler
10. Australian cattle dog
Least Intelligent
10. Afghan hound
9. Basenji
8. Bulldog
7. Chow chow
6. Borzoi
5. Bloodhound
4. Pekingese
3. Mastiff
2. Basset hound
1. Shih tzu