Uncommon giant dog breeds have a special kind of loyalty. Not the “Liked Your Post” kind, but the “I’ll sit between you and the front door without being asked” kind of.
If you have ever wanted a dog that feels like a furry bodyguard and a best friend, you are in the right place.
But don’t forget that these dogs do not live their lives on “easy mode.” They eat more, take up more space, and their feelings are even bigger than their paws.
As Stanley Corren says, “The greatest fear dogs know is the fear that you will not come back when you go out of the door without them.”
Let’s discuss the 7 most uncommon large dog breeds with unmatched faithfulness.
Uncommon Giant Dog Breeds with Unmatched Loyalty
1. Tibetan Mastiff
Tibetan Mastiffs are affectionate but not clingy. They stand firmly and strong like a breathing mountain, loyal and protective but not needy.
They were originally bred to guard livestock, and they avoid physical confrontations. This large dog breed prefers barking and scent marking spots to deter the intruders.
Their huge body (150 pounds) intimidates the strangers and evil only, but they are deeply affectionate towards their owner. They don’t trust the person if not introduced by the pet parent.
They are intelligent and have an intimidating appearance because of their athletic, strong, and muscular bodies. Though this big dog breed remains active all night, giving you a “security guard” vibe, they are quite sleepy and lazy during the day until there is a potential threat.
Quick Snapshot
Movement: Moderate exercise, purposeful activities such as fetching, flying discs, and patrolling. They thrive in bigger spaces.
Temperament: Alert (especially at night), quiet, watchful, loyal, protective, reserved around strangers
Training: They are intelligent and stubborn, so obedience training is needed. Early socialization and consistent training are also important.
Watchouts: Eye problems, hip/elbow dysplasia, heatstroke, and hypothyroidism.
Fun Fact: They are not a fan of food. They even sometimes refuse to eat for weeks, as per Hills Pet.
2. Kangal
Kangals are famous as livestock guardian dogs, protecting sheep from wolves, bears, jackals, and cheetahs. They form a strong bond with the livestock and don’t even bark at them.
They form a strong bond with the owner’s family members, especially with children. This affection and loyalty make them good watchdogs and protectors for the family they love.
This giant dog has a thick double coat: outer wiry coat repels snow and water while the inner coat protects intense hot and cold environments.
Not only that, these coats combined protect them from a wolf’s bite.
Fun Fact: Originating from Central Turkiye, this “Anatolian Lion” is the national animal of Turkiye.
Quick Snapshot
Movement: Need excessive space for physical activities; regular exercise and mind-challenging games
Temperament: Alert, brave, loyal, emotional, predictable, and independent nature.
Training: Professional training is recommended. Early socialization and constant but patient training are important since they are independent and stubborn
Watchouts: Hip dysplasia, entropion, and bloat
3. Leonberger
This large dog feels like a giant golden-hearted roommate. So, if you want a dog that leans on you like a warm sofa cushion, here you go!
This family dog is friendly, good with the kids, and other dogs if trained properly. They are “velcro dogs” and love to be with their owners. They are aware of their massive presence, so they humble themselves and are more cautious around children
They don’t get aggressive for no reason. Leonbergers observe and anticipate that the situation may harm their human family, and then take the best suitable action.
Because of their calm temperament and elegant appearance, they were quite a popular large dog breed in royal families, including Napolian II and the Prince of Wales.
Traditionally, they frequently serve as farm dogs for pulling carts and guarding the livestock. Moreover, their thick fur makes them a good water rescue dog
Quick Snapshot
Movement: Moderate daily exercise, thrive in swimming
Temperament: Calm, playful, loving, insensitive to noise, strong, intelligent, and a family pet
Training: Group obedience classes, meeting with a lot of people in puppyhood, are important
Watchouts: GDV, joint problems, heart diseases, cancer, and cataracts
4. Irish Wolfhound
The loyalty of Irish Wolfhounds is emotional and gentle. You won’t get constant kisses, but you will get a compassionate presence, as if they are saying, “Don’t you worry, friend, I am here.”
One moment, Irish Wolfhounds are lying as a sleepy couch potato, and ready to tear the potential threat into pieces the next moment.
Originally bred as a herding and hunting dog, this giant breed has a strong prey drive. This sighthound will act aggressively only when it senses a threat.
Quick Snapshot
Movement: leashed long walks, fenced open space activities, and regular body and mind games
Temperament: Calm, intelligent, introverted, lazy, fearless, easygoing, patient, devoted, and a loving companion. Not a “bark fan”, so a fantastic companion for quieter households.
Training: Age-restricted free play, puppy training, and therapy classes because of fast learning skills and human-sensitive nature.
Watchouts: Bloat, hip/elbow dysplasia, bone cancer, and DCM
5. Caucasian Shepherd Dog
Caucasian Shepherd Dog, AKA Russian Bear Dog, is intelligent, brave, loyal, and protective. This giant dog breed has an intimidating personality because of its bigger size, athletic body, muscular shoulders, and deep chest. This strong build is a major contributor to protecting its people
Territorial and sometimes aggressive to deter intruders, this dog mostly remains calm and devoted around its favorite people. It trusts its people and bonds deeply with them. This makes them wary of strangers.
Their working strategy does not start with attacking first. They anticipate, decide without human interaction, and then attack aggressively.
Because of their strong protective nature and history as a hunting dog, this dog breed was used by the Soviet Union for military purposes: protection of armed facilities, borders, and prisons.
Quick Snapshot
Movement: Leashed long walks, secure fencing for open space activities. Caucasian Shepherds enjoy outdoor adventures such as hiking, despite their low energy instincts
Temperament: Self-confident, bold, brave, and aggressive in the state of threat. This good family dog is polite, kind, soft, devoted, and endearing on normal days. This gentle giant prefers to be the only pet in a house
Training: They are extremely intelligent and independent, so it’s difficult to train them. Make them familiar with harmless faces.
Watchouts: Hip/elbow dysplasia, entropion
6. Boerboel
One of the largest working dog breeds in South Africa, the Boerboel was bred to protect property from giant animals such as lions. Their bossy and scary personality is only for strangers. They prefer to remain calm and loving around their owners.
This “little part of the South African” history cherishes its working dog roots with companionship. Boerboel loves to stay with its family and will risk their own life for you if the time comes.
According to Wikipedia, this rare large dog breed is a crossbreed of Bulldog and Mastiff. So, their inherited big, powerful jaws play a crucial role in hunting large animals such as Baboons and Leopards.
Quick Snapshot
Movement: Long walks and open space physical and mental activities in a fenced environment. Dog sports may also help.
Temperament: Incredibly affectionate, loyal, calm, intelligent, steadfast, and easygoing
Training: Obedience training from a young age, consistent training with positive reinforcement
Watchouts: Eye problems, hip/elbow dysplasia, dilated cardiomyopathy, and GDV
7. Spanish Mastiff
This one of the tallest dog breeds has been guarding the livestock for more than 2000 years. Each Spanish Mastiff is capable of protecting almost 100 sheep at once.
They have an easygoing, loyal, and protective nature for the owner’s family. Spanish Mastiffs make a never-ending bond with them. This deep affection may turn them into an overprotective breed; hence, puppy training is important
Because of their independent nature, they are a bit stubborn and not eager to please the owner. Experienced dog owners get along with them easily, as stated by ZooPlus.
Quick Snapshot
Movement: Daily long walk, fenced outdoor activities, fun indoor games such as chasing a ball
Temperament: This gentle giant is calm, intelligent, and independent. It is aggressive towards other pet dogs but polite with children and small animals. However, its heavy voice and big size can be a problem in your compact apartment.
Training: Basic command training in puppyhood, exposure to more people
Watchouts: Bloating, degenerative myelopathy, and hip dysplasia
Conclusion
If loyalty had a size chart, these large breeds would be off the scale. But unmatched loyalty is something you can not buy; it’s built with training, routine, respect, and a calm attitude.
Pick a breed that matches your routine and demands. Make sure you have ample space, patience, and willingness to teach manners early!
