The American Pit Bull Terrier (APBT) is a purebred dog breed recognized by the United Kennel Club (UKC) and American Dog Breeders Association (ADBA), but not the American Kennel Club (AKC). Color patterns that are typical in the breed are solid and tuxedo. The American Pit Bull Terrier is a working dog, and is suitable for a wide range of working disciplines due to their intelligence, high energy, and endurance. In the United States they have been used as search and rescue dogs, police dogs performing narcotics and explosives detection, Border Patrol dogs, hearing dogs to provide services to the deaf, as well as general service dogs. In the South they are often a favorite dog for catching feral pigs.