These 10 Dog Breeds Are Extremely Unstable

Even if we tend to say that dogs are man's best friend, we should be wary of certain breeds of dogs. Indeed, some dogs are known to exhibit unstable behavior that sometimes leads them to act in a dangerous way. Here are our top 10 dogs with an unstable character.

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Since the beginning of their domestication, dogs have been integrated into the human world. Because of their instinctive monitoring ability, they are frequently used to protect livestock and even to assist police officers.

Remarkably intelligent creatures, dogs are great and loyal companions, that’s for sure. Although often described as “man’s best friends”, these creatures were not naturally designed to interact with humans.

From time to time, cases of dogs attacking owners or others have been reported. Although these extreme cases are rare, it is important that we be aware of the dangers and responsibility of having dogs. Here is our list of the 10 most unstable and dangerous dog breeds in the world.

1. Caucasian Shepherd

Also known as the Caucasian Ovcharka, this dog can become very large, weighing a minimum of 50 kg or 110 lbs for an adult male and having an average life span of 10 to 12 years. This breed originates from Russia and other European countries. Originally used as guard dogs to protect livestock in mountainous areas, these dogs are even feared by some popular wild predators such as wolves.

2. Pit Bull

Pit Bulls are very strong dogs that are often responsible for human attacks. It is the resulting race when you combine the energy and agility of the burrows with the constitution and body strength of a bulldog. In some countries, pit bulls are even used in dogfights, where they are trained to fight each other to the death.

3. Perro de Presa Canario

These dogs are often described as dominant dogs. The Perro de Presa Canario is frequently used on farms, but also in deadly dog fights, like pit bulls.

4. Rottweiler


One breed of dog that is well known for its formidable reputation is the Rottweiler. This dog has been used on farms for ages. Rottweilers are very intelligent and aggressive by nature and are very effective as guard dogs. Almost half of the deaths caused by dog attacks in the United States are believed to be the cause.

5. Fila Brasileiro

This particular breed from Brazil makes excellent guard dogs but requires experienced owners. Very aggressive and protective, these dogs are feared for their uncontrollable behavior and many cases of death caused by their attacks have been reported.

6. Alaskan Malamute

Originally used as sled dogs and carrying heavy loads, these popular Arctic breeds are one of the largest domestic dogs that can reach 100 lbs. and can survive extreme climates. Malamutes are natural hunters and can even kill large predators such as bears. No wonder these dogs are scary and dangerous!

7. Wolfdog

This breed is a mixture of domestic dogs and wild wolves. These animals have a protective instinct and can be very wild because of their unpredictable behavior, which is probably the result of breeding wild animals with common dogs. In some countries, it is forbidden to own and breed this dangerous breed of dog.

8. Bullmastiff

Bullmastiffs are powerful, strong and solid dogs. They are very reliable and are excellent watchdogs. With constant training, these dogs become very obedient. However, it is important to know that this breed of dog has caused many incidents of attacks that have even resulted in death.

9. Husky

A popular breed of domestic dogs, the Huskies were originally sled dogs in the northern regions. They are extremely agile and gifted at transporting goods. They are closely related to the Malamutes and visibly resemble wild wolves. However, there have been reported Husky attacks.

10. Doberman Pinschers

Famous for their agility and ability to follow in their tracks, these intelligent dogs are the perfect guardians. However, they need careful training with consistency and patience. Unfortunately, Doberman Pinschers are capable of killing humans. They are very sensitive and can often be aggressive. It’s better to be careful with these dogs.