what are the strongest dogs?
['Mastiff. Described as “massive” and “heavy-boned,” this giant breed, which can weigh up to 200 pounds, are known to be loyal and protective of their families. ... ', 'Saint Bernard. ... ', 'Rottweiler. ... ', 'Irish Wolfhound. ... ', 'Rhodesian Ridgeback. ... ', 'Siberian Husky. ... ', 'Boxer. ... ', 'Newfoundland.']