Pit bulls are the most deadly dog breed due to their big bulk weight, strong teeth, and murderous instincts.
The American bulldog is still a powerful working animal that has not been overbred.
Catching prey drives these dogs. Most small animals, including humans, can look like prey to them.
This breed was bred for generations to be great attack dogs. Their threat should not be surprising.
Rottweilers are powerful, loyal, and lethal when they attack intruders.
German shepherds have been used in military and police operations for decades.
Labradors can fall over or bite humans, although they are not aggressive.
Alaskan Malamutes are deadly dogs due to their ferocious bites and propensity to attack.
This breed, like others, is hazardous unless you can train and handle it.