In both studies, the barley and sheep poop were not native to the islands. "Sheep … arrived on the Faroes with their human friends," Curtin said. "The Vikings didn't arrive until 800 or 850 [CE]." ...

By Ashley Strickland, CNN. The isolated Faroe Islands were once home to an unknown population in 500 AD, about 350 years before Vikings ever arrived, according to new research.