Almost every year, the American Kennel Club, the country’s purebred dog registry, officially recognizes one or more “new” breeds (some of them centuries old) and adds them to the club’s list.

There are hundreds of dog breeds − each with their own personality and temperament. But exactly how many are there? Different kennel clubs across the globe are responsible for registering breeds.

CHICAGO (CBS) --The Great American Dog Show, one of the premier canine competitions in the U.S., is back in Chicago this weekend. CBS 2's Jackie Kostek spoke to an expert about breeds who served a ...