@dogfacts

The largest breed of dog is the Irish Wolfhound.

Dogs are capable of understanding up to 250 words and gestures, can count up to five and can perform simple mathematical calculations. The average dog is as intelligent as a two-year-old child.

Dogs can be trained to detect cancer and other diseases in humans.

Zorba, an English mastiff, is the biggest dog ever recorded. He weighed 343 pounds and measured 8’ 3" from his nose to his tail.

President Lyndon Johnson had two beagles named Him and Her.

A dog’s sense of smell is more than 100,000 times stronger than that of a human.

Pregnancy can be prevented by spaying the female dog, this involves removing both the ovaries and the uterus.

The world's largest dog was a Great Dane named Zorba, who weighed 343 pounds.

Dogs can see in color, though they most likely see colors similar to a color-blind human. They can see better when the light is low.

The St. Bernard is the heaviest dog breed.

Dogs normally have between one to sixteen or even more puppies.

Dogs can use their sense of smell to gauge our emotions, they can smell fear, anxiety, even sadness. This is because they can smell hormones such as adrenaline.

Dogs don't enjoy being hugged as much as humans and other primates. Canines interpret putting a limb over another animal as a sign of dominance.

An African wolf dog known as the Basenji is the only dog in the world that cannot bark.