The Hawaiian island chain—thousands of miles from any continent—is one of the most isolated on Earth. Long before tourists flew here for vacation, or island residents shipped goods in to fill their homes, or Polynesians arrived on voyaging canoes, animals faced a Herculean task getting here. But a remarkable series of recent discoveries shows that a family of tiny moths may have colonized Hawai‘i at least 20 different times, millions of years before humans settled the archipelago.