13. Perro de Presa Canario
The Perro de Presa Canario is a powerful dog with a large frame. It was originally bred to work livestock. This breed, also known as “Canarian Catch Dog” in English, requires obedience training since a young age. Also, they need to be socialized. They can be aggressive towards other dogs and strangers if they don’t get the attention they need.
14. Saint Bernard
Saint Bernard is a large, working dog that originated in the Swiss and Italian Alps. Originally bred to be a rescue dog, the Saint Bernard has gained a reputation for its mammoth stature and Alps-rescue mission abilities. To prevent territorial aggression, it is important to train a Saint Bernard puppy from an early age.
