For wolf lovers, there are many color variants that bring a wilder look to the breed. Those looking for a wolf-like dog might seek out a German Shepherd in a silver-and-black, solid-black ...

There are more than 200 different breeds taking part in the Westminster dog show... how did dogs get so diverse?

cynoclub/Getty "In the past 200 years, humans have created hundreds of dog breeds that look really different and are pretty specialized at some tasks like herding ... such as wolves and foxes.

In fact, the variation among breeds of dogs is far greater than the variation among other completely distinct species in the family Canidae. If dogs evolved from wolves, which seems to be the case ...