@dogfacts

Wolves and dogs can mate to produce fertile offspring.

As an extra, here's a cool little doggo.

Even with their poor eyesight, dogs can still see better at night than humans do.

As an extra, here's a cool little doggo.

Wolves and dogs can mate to produce fertile offspring.

As an extra, here's a cool little doggo.

President Calvin Coolidge owned at least a dozen dogs.

As an extra, here's a cool little doggo.

The Russians trained dogs during WWII to run suicide missions with mines strapped to their backs.

As an extra, here's a cool little doggo.

Dogs have lived with humans for over 14,000 years. Cats have lived with people for only 7,000 years.

As an extra, here's a cool little doggo.

This dog, Naki'o, lost all of his legs to frostbite in Colorado, but now has four prosthetic legs and can run around like normal.

As an extra, here's a cool little doggo.

Therapy dogs, who bring healing to individuals and families by visiting hospitals schools or retirement homes, differ from service dogs, who assist individuals who have disabilities.

As an extra, here's a cool little doggo.

Smaller breeds of dogs mature faster than larger breeds.

As an extra, here's a cool little doggo.

Teams of dogs compete for the fastest time without errors in Flyball races.

As an extra, here's a cool little doggo.

A dog's nose is wet because it helps to clean their face.

As an extra, here's a cool little doggo.

Dogs belong to a biological family called the Canidae, a member of this family is called a canid. This is the origin of the adjective "canine" which means "of or like a dog, relating to or characteristic of dogs".

As an extra, here's a cool little doggo.

It is a myth that dogs are color blind. They can actually see in color, just not as vividly as humans. It is akin to our vision at dusk.

As an extra, here's a cool little doggo.

Dachshunds were bred to fight badgers in their dens.

As an extra, here's a cool little doggo.

During the Renaissance, detailed portraits of the dog as a symbol of fidelity and loyalty appeared in mythological, allegorical, and religious art throughout Europe, including works by Leonardo da Vinci, Diego Velázquez, Jan van Eyck, and Albrecht Durer.

As an extra, here's a cool little doggo.