These Gentle Giants are Real! Meet the Biggest Dog Breeds in the World

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine

The planet is blessed to have a variety of creatures to cuddle, giggle, and play with. Among those, the most innocent and lovable are dogs. These adorables can pamper you, can be your friend, or stay with you as a family member. Some adopt cute little pups like Pomeranians, and some want to own protectors like German Shepherds. Only a few have the dare to adopt huge dogs. But why? Maybe some myths are stopping them. A glimpse of the qualities of the biggest dog breeds can be enough to convince you that they are equally kind, adorable, and adaptable. These giant babies are ready to be held.

Top 15 Biggest Dog Breeds 

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine

Here is a list of the top 15 biggest dog breeds in the world, ranked by their average height and weight, from largest to smallest:

1. English Mastiff

  • Height- 28–36 inches (71–91 cm)
  • Weight-160–230 lbs (73–104 kg)
  • Qualities- Powerful and calm.

The English Mastiff is renowned for its massive size and gentle demeanor. Historically used for guarding and hunting, origins ancient times, from 3000 BC. Believed to be extinct but brought to Britain by traders, the Mastiffs get back in some regions. These are bred for roles like guardians of estates and war dogs. 

2. Irish Wolfhound

  • Height- 32–35 inches (81–89 cm)
  • Weight- 160–230 lbs (73–104 kg)
  • Qualities- Calm and friendly. 

The Irish Wolfhound holds the record for being the tallest dog breed. Originally bred for hunting wolves, the Irish Wolfhound came into popularity in the 15th century, and holds the reputation as a dignified companion after contribution in the control of the wolf population in Ireland. 

3. Great Dane

  • Height- 30–34 inches (76–86 cm)
  • Weight- 120–200 lbs (54–91 kg)
  • Qualities- Friendly and gentle.

Great Danes are as great in size as their name is, developed as guardians, and famous for hunting wild boars. It’s a breed from Germany and known as the “Apollo of dogs.” It is one of the most loyal and biggest dog breeds.

4. Saint Bernard

  • Height- 28–35 inches (71–89 cm)
  • Weight- 140–180 lbs (64–82 kg)
  • Qualities- gentle, loyal, and strong.

The origin of the Swiss Alps, Saint Bernard known for their rescue work in snowy areas. The history of originally trained by monks for avalanche search and rescue missions, Saint Bernards are great family dogs as well. It gained popularity in the film industry also because of the charismatic and friendly expression.  

5. Boerboel

  • Height- 22–27 inches (56–69 cm)
  • Weight- 150–200 lbs (68–91 kg)
  • Qualities- loyal, confident, intelligent.

The Boerboel is a South African breed known for its protective nature. Boerboels are guardians of home and family. They are devoted to their loved ones. The most graceful type among all mastiffs. 

6. Tosa Inu

  • Height- 24–32 inches (61–81 cm)
  • Weight- 100–200 lbs (45–91 kg)
  • Qualities- calm and reserved.

The Tosa Inu, a Japanese breed, was bred for fighting but is now used as a watchdog. Though they are affectionate to their people or family, but find it difficult to approachable with strangers. The calm but cautious Tosa may behave aggressively toward other dogs in case of provocation.

7. Anatolian Shepherd

  • Height-29–32 inches (74–81 cm)
  • Weight-110–150 lbs (50–68 kg)
  • Qualities- independent and protective

This Turkish breed is a formidable livestock guardian, reserved and protective, Its behavioral traits are to bark as a warning sign to its family in a threat situation. Humans planning to adopt this breed need to be patient. 

8. Leonberger

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine
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  • Height- 28–31 inches (71–79 cm)
  • Weight- 110–170 lbs (50–77 kg)
  • Qualities- Friendly, intelligent, and majestic.

Leonbergers are gentle giants with a lion-like mane, developed as a companion dog for European royalty. Excelled in the ccart-pullingwork work, Leonbergers nowadays are also considered loyal pets. 

9. Newfoundland

  • Height- 27–29 inches (69–74 cm)
  • Weight- 130–150 lbs (59–68 kg)
  • Qualities- Gentle and sweet.

Newfoundlands are naturally good swimmers, hence used to work as water rescue dogs and also pull carts and haul nets for fishermen. This giant dog was first developed to work with Canadian fishermen in icy water and became a hero to perform water rescues. 

10. Neapolitan Mastiff

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine
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  • Height- 25–30 inches (63–76 cm)
  • Weight- 130–150 lbs (59–68 kg)
  • Qualities- Protective, loyal, and imposing 

The ancient Roman species Neapolitan Mastiffs are noticeable guard dogs because of their loose, wrinkly appearance. This breed requires extra grooming and consistent training. The Italian Mastiffs are very protective of their families. Long walks and consistent naps are the favourite things for these giant couch potatoes.

11. Tibetan Mastiff

  • Height- 26–30 inches (66–76 cm)
  • Weight- 100–160 lbs (45–73 kg)
  • Qualities- independent and protective.

An independent and strong-willed breed, used to protect monasteries in Tibet and known as “Guardians of the Himalayas.” Without being much dependent on training, they make up their mind about the situation and act according to it.

12. Scottish Deerhound

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine
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  • Height- 30–32 inches (76–81 cm)
  • Weight- 85–110 lbs (39–50 kg)
  • Qualities- Gentle and friendly

The tallest breed of dog, the Scottish Deerhound trained to hunt and inherent attribute to run. known as “ The Royal Dog of Scotland.” This breed is sensitive and deeply connected to family. In the situation of being left alone, they are affected and struggle a lot. 

13. Great Pyrenees

  • Height- 28–32 inches (71–81 cm)
  • Weight- 110–120 lbs (50–54 kg)
  • Qualities- Calm and protective.

This majestic breed is a natural guardian and a fast runner. The Great Pyrenees enjoys being at home and playing with children. It is beneficial to train and socialize the Great Pyrenees early. This strong-willed willed doesn’t get easily fooled.

14. Dogue de Bordeaux

Meet the World's Biggest Dog Breeds: Gentle Giants Revealed | The Lifesciences Magazine
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  • Height- 23–27 inches (58–69 cm)
  • Weight- 99–110 lbs (45–50 kg)
  • Qualities- Loyal and affectionate 

This French Mastiff is ideal to grab in your home, due to its affectionate nature. Dogue de Bordeaux tends to produce lots of drool, which gets trapped in their wrinkled skin and causes infection. If you are allergic to such things, then think twice about adopting this breed, else regular cleaning and maintenance can make you welcome this highly loyal dog.

15. Cane Corso

  • Height- 23.5–27.5 inches (60–70 cm)
  • Weight- 90–110 lbs (41–50 kg)
  • Qualities- strength and protection

The Italian breed Cane Corso is an excellent guard dog. Ideal as a pet because of its loyalty instincts. The first Cane Corso was imported to America in 1998. Early training and socialization are essential for their protective tendencies.

Also Read:

The Biggest Dog Breeds as Pets and Working Dogs According to the AKC

These dog breeds are best kept as pets, and some of the breeds are working dog breeds. 

The Great Dane is known for its towering size. The gentle and majestic Leonberger and the protective, fluffy Great Pyrenees are also known for their loving nature and impressive presence. The Great Dane, Newfoundland, Mastiff, German Shepherd, and the loyal Saint Bernard are also working dog breeds according to the American Kennel Club.

Tips for Mastering Dog Care 

1. Nutrition & Diet

The biggest dog breeds need high-quality, vet-approved food to avoid obesity and bloat, common in large dogs.

2. Exercise Needs

Daily walks, hikes, and puzzle toys help keep big dogs active, healthy, and mentally sharp.

3. Joint & Bone Health

Biggest dog breeds need supplements like glucosamine and orthopedic bedding to support joint health and ease pressure.

4. Veterinary Care

Frequent checkups detect issues like hip dysplasia and heart problems, extending your dog’s lifespan.

5. Space & Comfort

The biggest dog breeds need room to move and stay cool—shade, shelter, and fresh water are vital.

6. Grooming

The grooming sessions are not only to make your dog look good, but also ensure cleanliness and hygiene, which makes your dog feel happy and cheerful. Regular grooming, especially important for long-haired breeds like the Newfoundland or Leonberger.

Also Read:

Conclusion 

Owning a big dog is not everybody’s cup of tea. However, proper knowledge about the training, what they eat, and how they react in every situation can help you select the correct breed for your family. The thought of adopting the biggest dog breeds can be intimidating, but the reality is that they are as compassionate and loving as small or medium-sized breeds, not only big but also big in providing love, affection, and loyalty to their owners. 

FAQ’s

1. Who is the tallest working dog?

The Irish Wolfhound is the tallest working breed recognized by the American Kennel Club (AKC). 

2. Do dogs sleep with the alpha human?

Yes, they do sleep with alpha humans as it gives them a sense of comfort and security. 

3. Are the biggest dog breeds aggressive? 

No, it’s a myth. They are as tender, compassionate, and loyal as other breeds

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