Bull Terriers have been known to be loyal family companions for some time now but they also happen to be one of the most aggressive dog breeds.
This breed originated in Africa for the purpose of protecting livestock from lions, yes lions. Rhodesign Ridgebacks are powerful dogs and are capable of being exceptionally brutal.
The Boerboel originated in South Africa where it was bred to guard farmers’ livestock against leopards and lions. These giants can grow to weigh between 150-200 pounds and up to 27 inches tall.
Originating in the Swiss/Italian Alps, Saint Bernards have been used for centuries as rescue dogs to save people from avalanches. This strong working background means that they do well when they have a purpose.
This breed is incredibly intelligent and affectionate but does require a lot of exercise and an experienced dog owner.