 They lived primarily by hunting sea mammals and were capable of taking animals as large as walrus and narwhal.About 500 BC they moved down the Labrador coast and occupied the island of Newfoundland for about 1000 years.About 1000 AD they were displaced from most arctic regions by an invasion of Thule Inuit from Alaska, but they continued to live in northern Québec and Labrador until approximately 1500 AD.