You wont believe the size of the world’s largest dog breeds! Though there is no universal height or weight at which a dog breed is officially classified as a big dog, some groups define giant dog breeds as those heavier than 100 pounds (45 kg). The heaviest dog ever recorded was a St. Bernard named Benedictine who weighed 366 pounds (166 kg)! But despite their threatening body proportions, most of the biggest dog breeds make excellent family pets. If you are thinking about owning a big dog, take a look at 25 of the world’s largest dog breeds found in today’s list.
Neapolitan mastiff is another popular large breed of mastiff. Although it’s not as gigantic as the English mastiff, the proportions of this dog are still very impressive – males weigh 130–155 pounds (60-70 kg) and females about 110–130 pounds (50–60 kg). The Neapolitan mastiff is fearless and extremely protective of its home and family. They are unusually intelligent dogs with a tendency to be independent thinkers.
Originally bred for mountain rescue, the St. Bernard is a giant dog breed popular in Italian and Swiss Alps. Its proportions are enormous – the dogs can be up to 36 inches (90 cm) tall and weigh as much as 265 pounds (120 kg). The heaviest St. Bernard ever recorded though was called Benedictine and weighed an incredible 366 pounds (166 kg). Another St. Bernard, Barry, was famous for saving somewhere between 40 and 100 human lives in the mountains.
The Irish wolfhound
Originally developed from war hounds, Irish wolfhounds have been used for hunting and guarding. The breed is very old; there are suggestions it may have been brought to Ireland as early as 7000 BC. Standing at least 34 inches (86 cm) tall, they are one of the tallest of all dog breeds. Their weight, however, only averages about 120 pounds (55 kg) for males and 105 pounds (48 kg) for females. Unlike many other breeds, Irish wolfhounds have a varied range of personalities and are most often noted for their personal quirks and individualism but they are rarely mindless or aggressive.
Russian black terrier
A breed created in USSR during the late 1940s and the early 1950s for use as a military/working dog, the Russian black terrier is believed to be a cross of about 17 different breeds. Males stand 72 to 78 cm (28 – 30 inches) at the withers and weigh up to 60 kg (130 pounds), females are slightly smaller and lighter. The Russian black terrier is a calm, confident, courageous and self-assured dog. He is highly intelligent and adapts well to training. His average lifespan is quite long – up to 14 years, and it is a generally healthy dog but they are sometimes prone to certain hereditary diseases such as hip or elbow dysplasia.
The Great Dane is a German breed notable for its size. Their height often reaches well over 30 inches (76 cm) and there have been many Great Danes who have held the record for being the world´s tallest living dog. For example, a Great Dane called Zeus (which died September 2014 at the age of 5), stood 112 cm (44 inches) tall. They are generally friendly toward other dogs, other non-canine pets, and familiar humans. Their average life span is 6 to 8 years but some Great Danes have been known to reach 10 years or even more.