], a general term used to refer to a number of groups inhabiting the coastline from the Bering Sea to Greenland and the Chukchi Peninsula in NE Siberia. A number of distinct groups, based on differences in patterns of resource exploitation, are commonly identified, including Siberian, St. Lawrence Island, Nunivak, Chugach, Nunamiut, North Alaskan, Mackenzie, Copper, Caribou, Netsilik, Iglulik, Baffinland, Labrador, Coastal Labrador, Polar, and East and West Greenland. Since the 1970s Eskimo groups in Canada and Greenland have adopted the name Inuit, although the term has not taken hold in Alaska or Siberia. In spite of regional differences, Eskimo groups are surprisingly uniform in language, physical type, and culture, and, as a group, are distinct in these traits from all neighbors. They speak dialects of the same language, Eskimo, which is a major branch of the Eskimo-Aleut
family of languages. Their antiquity is unknown, but it is generally agreed that they were relatively recent migrants to the Americas from NE Asia, spreading from west to east over the course of the past 5,000 years.
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