The heaviest dog ever recorded was Zorba, an English mastiff from the United Kingdom that weighed in at 343 pounds. He measured 8.25 feet in length from nose to tail and stood 35 inches tall. More » Pets & Animals Pets Dogs

Zeus, a Great Dane who stood 44 inches at the shoulder, holds the world record as the tallest dog of all time, as of 2015. He lived in Michigan with his owners, Kevin and Denise Doorlag. He died of old age September 3, 2... More » Pets & Animals Pets Dogs

The largest dogs are Great Danes and certain types of Mastiffs. Saint Bernards, Great Pyrenees and Irish Wolfhounds are also some of the biggest dog breeds. More » Pets & Animals Pets Dogs

Sausage Dog Hotel is a boarding facility for Dachshunds located on the border of Hertfordshire and Bedfordshire in the United Kingdom. The company offers short-term stays, long-term stays and day care options, and it tai... More » Pets & Animals Pets Dogs

Moose are the largest of the deer species, and the biggest in the world stand more than 7 feet tall at the shoulder and weigh more than 1,800 pounds. The antlers of males can spread more than six feet from end to end. Th... More »

The Russian toy is the smallest breed of dog on average, and ranges in weight from 3 to 6 pounds and 8 to 10 inches in height. Toy fox terriers are a close seconds, with an average weight between 3 1/2 to 9 pounds. More » Pets & Animals Pets Dogs

Greyhounds are commonly accepted as the fastest dogs in the world, but other breeds, such as salukis and border collies, are close in speed. Over very long distances, the Alaskan husky is probably the fastest dog in the ... More »