The UK Kennel Club considers the two to be distinct breeds; mating between the two are not eligible for KC registration. The AKC considers Long and Smooth coated chihuahuas to be the same breed. Typically, the breed standard for both the Long and Smooth coat Chihuahuas will be identical except for the description of the coat.Both the Smooth and the Long Coats have their special attractions and are equally easy to keep clean and well-groomed. Common colors are fawn, red, cream, chocolate, brown, mixed, white, and black. No color or pattern is considered more valuable than another.