Did you know that some of the world’s most loyal dogs are also among the largest? While their size might seem intimidating, these gentle giants often possess hearts just as big as their frames.
From guarding flocks in remote mountains to forming unbreakable bonds with their families, large dog breeds have long been admired for their devotion and steadfast companionship. But not all big dogs are created equal when it comes to loyalty.
Some stand out for their protective instincts, emotional intelligence, and unwavering attachment to their humans. Whether you’re a lifelong dog lover or just curious about these majestic canines, exploring rare large breeds that excel in loyalty tests offers a glimpse into a world where strength meets heart.
These remarkable as some of the most rare dog breeds prove that loyalty isn’t just about obedience—it’s about connection, courage, and the quiet promise to stand by your side, no matter what.
Rare Large Dog Breeds That Excel In Loyalty Tests
1. Otterhound
The Otterhound is a rare and remarkable scent hound originally bred in medieval England to track otters through rivers and marshes. Its large, shaggy frame, webbed feet, and keen nose make it an exceptional swimmer and tracker. Beneath its rough, water-resistant coat lies a cheerful, affectionate dog with an adventurous spirit.
This breed thrives on exploration and enjoys spending time outdoors, where it can follow scents to its heart’s content. It’s known for its deep, melodious bark that carries across great distances—perfect for those who appreciate a talkative companion.
According to the American Kennel Club (AKC), Otterhounds are smart yet independent thinkers, often choosing curiosity over obedience. They respond best to patient, positive training that channels their energy into fun challenges. Long walks and swimming sessions help satisfy their active minds and bodies.
Though playful and good-natured, this breed dislikes being left alone for too long. It thrives on companionship and enjoys joining in on family adventures. Regular grooming keeps its dense double coat healthy, especially after a good splash in the water.
Today, with fewer than a thousand left worldwide, the Otterhound remains one of the rarest dog breeds. Its joyful spirit, loyalty, and love of life make it a truly special companion for those who appreciate a one-of-a-kind hound.
Fun Fact
The Otterhound can follow a scent across water for up to three days—making it one of the most skilled scent trackers in the canine world.
2. Leonberger
The Leonberger is a magnificent giant, combining the appearance of a lion with the soul of a family companion. Originally developed in 19th-century Germany to symbolize strength and nobility, this breed is both elegant and affectionate. Its thick double coat, deep chest, and kind expression reflect its balance of power and tenderness.
The Leonberger is known for its calm and gentle demeanor. These dogs form deep emotional bonds with their families, often acting as empathetic companions who sense moods and offer quiet comfort. Their affectionate nature makes them wonderful therapy and service dogs.
They are playful yet patient with children and tend to get along well with other pets. Their size can be daunting, but their manners are naturally refined with proper training and early socialization.
PetMD states that Leonbergers need regular exercise, such as swimming or hiking, along with brushing to maintain their flowing coats. Their stamina and intelligence make them eager partners in activities that challenge both body and mind.
Above all, the Leonberger is a true friend—protective, loyal, and endlessly devoted to its family. With its gentle eyes and warm personality, it turns every home into a happier, calmer place.
Fun Fact
The Leonberger was once a favorite among European royalty, including Napoleon III and Empress Elisabeth of Austria, who admired its regal presence and loyal heart.
3. Komondor
The Komondor is an extraordinary guardian breed from Hungary, instantly recognizable by its long, corded white coat that looks like flowing ropes. This coat serves a practical purpose—protecting the dog from harsh weather and blending with the flocks it once guarded. Beneath its unique appearance lies a brave, intelligent, and deeply loyal companion.
Historically, the Komondor was tasked with watching over livestock against wolves and thieves. Its courage and independent thinking allowed it to make quick decisions in the field. Even today, that guardian instinct remains strong, making it an excellent protector of home and family.
Despite its serious nature, the Komondor is affectionate with those it trusts. It bonds deeply with its owners, offering quiet devotion rather than overt affection. Socialization from an early age ensures that it remains confident and calm around guests.
Maintaining the Komondor’s cords requires patience and dedication, as the coat takes years to fully develop. While grooming is intensive, it’s also part of what makes this breed so striking and admired. As per Komondor Rescue, exercise and mental stimulation keep this strong-willed dog happy and balanced.
With the right family, the Komondor becomes a loyal guardian and lifelong friend. Its protective heart and steady temperament make it one of the most reliable large breeds in the world.
Fun Fact
Komondors can blend seamlessly into a flock of sheep—often surprising intruders who mistake them for livestock until the “sheepdog” springs to action.
4. Neapolitan Mastiff
The Neapolitan Mastiff is a living legend of strength and loyalty, instantly recognizable for its massive frame, drooping skin, and solemn gaze. Originating from ancient Rome, this breed was once bred to guard estates and families. Its deeply wrinkled face and loose folds give it an unforgettable appearance that hides a surprisingly gentle heart.
Despite its intimidating look, the Neapolitan Mastiff is affectionate and protective toward those it loves. This gentle giant thrives on companionship and bonds deeply with its family members. It may appear slow-moving, but its protective instincts are quick and unwavering when danger approaches.
Neapolitan Mastiffs are known for their calm confidence. They don’t bark without reason, preferring to watch and assess situations quietly. Their imposing presence alone is often enough to deter intruders, making them one of the most dependable guard dogs.
As per Purina, owning this breed requires commitment to proper training and socialization, as their size and strength demand responsible handling. Daily walks, consistent routines, and positive reinforcement build trust and respect. Regular grooming helps maintain their skin health, especially in the folds that give them their iconic look.
For those who appreciate loyalty and quiet devotion, the Neapolitan Mastiff is a true treasure. Its combination of courage, affection, and patience makes it an unforgettable companion and a steadfast protector of home and heart.
Fun Fact
The Neapolitan Mastiff’s ancestry dates back over 2,000 years—its ancestors guarded Roman camps and accompanied legions across Europe!
5. Chinook
The Chinook is a rare American breed known for its strength, intelligence, and good-natured temperament. Developed in New Hampshire in the early 1900s, it was bred to be a powerful sled dog with the friendliness of a family pet. With its warm eyes, athletic build, and golden coat, the Chinook radiates warmth and reliability.
This breed is famous for its cooperative spirit and eagerness to please. Chinooks were designed for teamwork, and that heritage shows in their even-tempered nature. They get along well with children and other pets, thriving in households that offer both activity and affection.
Chinooks love to stay busy—whether pulling sleds, hiking trails, or joining outdoor adventures. They enjoy challenges that stimulate their minds and bodies, responding best to positive, engaging training. Their endurance and balanced temperament make them wonderful companions for active families.
While protective when needed, the Chinook is never aggressive. Its calm confidence and quiet strength make it a steady presence in any environment. Its loyalty runs deep, forming lasting bonds that are built on trust and companionship rather than dominance.
As one of America’s rarest breeds, the Chinook stands as a symbol of courage, teamwork, and gentle devotion—a dog whose heart matches its strength.
Fun Fact
The Chinook was declared New Hampshire’s official state dog in 2009, honoring its unique local heritage and enduring loyalty.
6. Azawakh
Elegant and graceful, the Azawakh hails from West Africa, where it served as both hunter and protector for nomadic tribes. This slender, long-legged sighthound is built for speed and endurance across desert terrain. Its refined beauty and noble bearing make it one of the most distinctive rare breeds in the world.
The Azawakh forms a deep emotional bond with its family, often choosing a favorite person to shadow closely. Though reserved with strangers, it is affectionate and loyal once trust is earned. Its independence and alert nature reflect its heritage as both companion and guardian in the Sahara.
This breed is highly athletic and thrives on daily exercise. Running, lure coursing, and open play are perfect outlets for its incredible stamina. The Azawakh’s smooth, short coat and minimal grooming needs make it a low-maintenance companion despite its regal look.
While gentle and quiet at home, the Azawakh has a sharp protective instinct. It remains vigilant and aware of its surroundings, offering security without unnecessary aggression. With patient socialization, it becomes both elegant and dependable in any setting.
As a symbol of loyalty and beauty, the Azawakh captivates anyone who appreciates a dog that embodies grace, courage, and devotion in equal measure.
Fun Fact
The Azawakh’s lineage can be traced back thousands of years—it’s one of the few breeds still bred by nomadic tribes of the Sahel region.
7. Estrela Mountain Dog
The Estrela Mountain Dog is Portugal’s oldest dog breed, revered for bravery, intelligence, and unwavering devotion. Bred to guard herds in the rugged Estrela Mountains, this large, powerful dog combines strength with gentleness. Its dense, weather-resistant coat and calm nature make it an exceptional working and family companion.
These dogs are deeply attached to their families, often placing themselves between loved ones and perceived threats. Despite their protective nature, they are gentle and patient with children, showing remarkable sensitivity and emotional intelligence.
The Estrela Mountain Dog is independent but highly trainable with consistent, kind leadership. Its keen instincts make it a natural guardian, while its affectionate side shines in peaceful home environments. Regular exercise and mental engagement keep this intelligent breed fulfilled and content.
Grooming is simple for such a large breed, thanks to its self-cleaning coat. A weekly brushing helps maintain its natural shine and reduces shedding. Their calm temperament makes them adaptable to both rural and suburban living, as long as they have space and companionship.
Steadfast and noble, the Estrela Mountain Dog stands as a living symbol of loyalty and courage—a protector with a heart as big as the mountains it hails from.
Fun Fact
The Estrela Mountain Dog is so respected in Portugal that it’s often featured in local folklore as the “guardian of the hills.”
FAQs
Do these dogs bond with one person or the whole family?
Most of these loyal breeds form strong connections with their entire human family rather than a single person. They thrive on affection, companionship, and inclusion in daily life, making them true gentle giants at heart.
Are these loyal breeds easy to train?
With consistency and patience, these intelligent dogs respond well to positive reinforcement. They value teamwork and enjoy physical and mental stimulation through canine sports, play, and learning new commands.
Are these dogs loyal without being aggressive?
Yes. These breeds are naturally protective yet even-tempered, showing devotion without unnecessary aggression. Their calm demeanor makes them affectionate companions who guard with love rather than fear.
Conclusion
From ancient breeds to modern working dogs, these remarkable canines prove that loyalty and intelligence come in all shapes and sizes. Whether bred as hunting dogs, herding dogs, or search and rescue dogs, they share a deep instinct to protect and connect with people.
Their gentle nature, powerful sense of purpose, and ability to adapt make them exceptional human companions. These dogs thrive on interaction, occasional brushing, and meaningful engagement that keeps them healthy in body and mind.
Other dog breeds such as Golden Retrievers, Labrador Retrievers, Canaan Dogs, German Shepherds, and the Pyrenean Mastiff also embody the spirit of a loyal breed—calm, affectionate, and devoted members of the family who continue to stand proudly among the world’s most popular breeds.
