When Chow Chows are born, their tongues have a pink color like most other dogs. However, as they grow older, their tongues change to a dark blue-black hue. This usually happens when they are between 8 to 10 weeks old.

In ancient Greece, people used to put collars with sharp spikes on their dogs. This was to prevent wolves from biting their dogs’ necks and injuring them.

Similar to the distinctive patterns of human fingerprints, each dog has a unique nose print with its own ridges and creases.

Do you know that the Prairie Dog is actually part of the squirrel family? Early settlers named them after canines because their calls sounded like barking dogs.

Despite its name, the Australian Shepherd does not come from Australia. It has its roots in the Basque region of Spain. The dogs were taken to Australia and then to the United States.

The Basenji is the only barkless dog. They were first bred in the Congo, Africa. When excited, it makes a noise that sounds like a yodel.

A dog’s mouth can apply 320 pounds of force on average. This was measured in tests with a German shepherd, an American pit bull terrier, and a rottweiler.

The Prairie Dog belongs to the same family as squirrels, even though they don’t look like them. They got their name from the pioneers who thought their noises were similar to dog barks.

Did you know that many dalmatians have hearing problems? They can’t hear well or at all in one or both ears. This affects 30 percent of them.

Salukis are the oldest breed from Egypt. They have long ears, silky coats, and various colors. They run fast and hunt well.

In a Siberian cave, researchers discovered the oldest intact fossil of a dog-like animal in the 1970s. 

Touching others and being touched are the most important and influential ways that puppies experience and learn from the world.