Meet the newest dog breed recognized by the American Kennel Club—and see the rest of the 10 most recently recognized breeds

2004: Black Russian terrier

To create the elusive Black Russian terrier, scientists combined no fewer than 17 different dog breeds. The result is a fiercely protective and dependable search and rescue dog that packs 40% of its body weight in its shaggy head alone. Keep one by your bedside and consider yourself duly protected at night.