1 Caucasian Shepherd Dog
The Caucasian Shepherd Dog is a large breed of dog that is popular in Russia, Armenia, Azerbaijan, and Georgia. Also known as Caucasian Ovcharka or Baskhan (Karachay) pariy, Caucasian shepherd dogs are strongly boned, muscular, and even-tempered molossers and has a powerful urge to defend. These dogs were bred to protect livestock in mountain regions. Very little scares this enormous dog, which means that owners need to be very diligent with the training and socialization of their Caucasian ovcharka.
2 American Bandogge
This muscular dog breed is known for their courageous, energetic and playful nature. They are a cross breed between the American Pit Bull Terrier breed and the Neapolitan Mastiff breed and so they are restricted all over the world especially in Miami, UK and Singapore. They are excellent watch dogs, being very loyal to their families. They will also guard the family fearlessly.
3 American Bulldog
American Bull Dogs are a strong and powerful breed of dog. Though they are known for their pleasant and friendly demeanor, they can also exhibit the trait of ‘stubbornness’ as they are extremely confident. Originally this breed was bred as a working farm utility dog that could catch and hold wild boar and cattle, kill vermin, and guard an owner’s property. They were banned in Denmark and Singapore after reports of fatal attacks.
A very popular breed of strong dogs which often make headlines when they attack humans. This is the resulting breed when you combine the energy and agility of terriers and the body build and strength of a bulldog. In some countries, Pit Bulls are even used in dog fights, where the dogs are trained to fight each other in a death match. They are illegal to own in Miami-Dade County, Florida; Ontario, Canada; and many countries throughout the world.
Boerboels are one of the most powerful dog breeds and are bred to guard the homestead. They are intelligent, obedient and easy to groom. They can even fight against hyenas, lions and other big cats. Denmark banned these dogs in 2010 from owing after being recognized as fighting dogs.