What Defines 'Big'?
A dog's size can be measured by weight, height, and length. Some breeds excel in one category, but the biggest dogs are often a combination of all three, towering above the rest in sheer mass and stature.
The Great Dane
Typically known as the world's tallest dog, Great Danes can stand 30-34 inches at the shoulder. The record-holder, Zeus, measured a staggering 44 inches tall. They combine height with dignified strength and elegance.
English Mastiff: Heavyweight
When it comes to weight, the English Mastiff is unparalleled. Averaging between 130-220 pounds, they are as heavy as they are affectionate. The heaviest Mastiff recorded was a colossal 343 pounds, embodying canine massiveness.
Saint Bernard: Alpine Giant
Originally bred for mountain rescue, the Saint Bernard is a gentle giant. They range from 26-30 inches tall and can weigh up to 180 pounds. Their imposing size is matched by their notable rescuing capabilities.
Newfoundland: Water's Gentle Giant
Famed for their swimming abilities, Newfoundlands can reach up to 150 pounds. Their large, webbed paws make them excellent at water rescue. Their size is complemented by their lifesaving instincts and sweet disposition.
Irish Wolfhound: Graceful Power
The Irish Wolfhound, historically a war dog and hunter, combines grace with size. They can be as tall as a Great Dane, but with a leaner build. Their serene and friendly temperament belies their powerful ancestry.
Leonberger: Gentle Companion
Leonbergers were bred to resemble the lion. They weigh between 90-170 pounds with a height of 25-31 inches. Despite their size, they are known for their gentle nature and are often used in therapy and search and rescue.
Which aspect defines dog size?
Weight only
Weight, height, length
Height only
Company
