1. American Bulldog
The American Bull Dog is a muscular heavy 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.
2. Great Dane
Also known as the German Mastiff or Danish Hound, this breed of domestic dog is famous for its massive size. This breed holds the record for the world’s tallest dog at 44 inches and was originally bred to hunt wild boar and deer in Germany.
Though not typically aggressive by nature, they are listed in our 9 most dangerous dogs breed list due to 48 negative incidents involving the breed from 1982 to 2012. Originally from Germany where they can grow from 50 to 70 lbs, their bright, playful and energetic personalities are countered by their ‘headstrong’ characteristic.
4. Wolf Hybrid
As the name implies, the Wolf Hybrid also known as the Wolf dog is a cross breed between a dog and a wolf (typically a grey wolf). Consequently, Wolf-dog hybrids are a mixture of genetic traits resulting in less predictable behavior patterns compared to either the wolf or dog.
5. Doberman Pinscher
Famed for their alertness, loyalty and intelligence, this breed of dogs is considered to be the best guard dog where they only attack if they are provoked or sense that their family and their property is in danger. A breed of domestic dog that originated from Germany in 1890 developed by Karl Friedrich Louis Doberman, hence the name; they can weigh as much as 65 to 90 lbs. Although once used as guard dogs or police dogs, they also exhibit aggressive behavior directed to strangers and other dogs, though owner-directed aggression is low. Their aggression due to their size and strength can also make them potentially dangerous.
Used to pull sleds in the northern regions and differentiated for their fast pulling style, they were also utilized for sled dog racing and for adventure trekking. However, they can be dangerous to smaller animals due to their strong predator instinct and are known for being destructive if they are bored.
Rottweilers are a powerful breed with well-developed genetic herding and guarding instincts. As with any breed, potentially dangerous behavior in Rottweilers usually results from irresponsible ownership, abuse, neglect, or lack of socialization and training. Nevertheless, the Rottweiler’s strength is something that should not be overlooked.
The term ‘pit bull’ encompasses certain breeds of dog from the American Pit Bull Terrier, the Staffordshire bull terrier, the American Staffordshire terrier, and the American Bulldog. Originally bred for baiting bulls and bears the majority of their breeds were also used for dog fighting in numerous parts of the world and is considered as the most dangerous dog in America.