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Eskimo
Eskimo, any member of a group of peoples who, with the closely related Aleuts, constitute the chief element in the indigenous population of the Arctic and subarctic regions of Greenland, Canada, the United States, and far eastern Russia (Siberia). Early 21st-century population estimates indicated more than 135,000 individuals of Eskimo descent, with some 85,000 living in North America, 50,000 in Greenland, and the remainder in Siberia.
The self-designations of Eskimo peoples vary with their languages and dialects. They include such names as Inuit, Inupiat, Yupik, and Alutiit, each of which is a regional variant meaning “the people” or “the real people.” The name Eskimo, which has been applied to Arctic peoples by Europeans and others since the 16th century, originated with the Innu (Montagnais), a group of Algonquian speakers; once erroneously thought to mean “eaters of raw flesh,” the name is now believed to make reference to snowshoes.
Despite that finding, the name Eskimo—widely used in Alaska—is nevertheless considered by some to be offensive. In Canada and Greenland the name Inuit is preferred for all indigenous peoples there. However, the indigenous peoples of Alaska include the Yupik and the Aleuts, both of whom are distinct from the Inuit. Other proposed names for the inhabitants of Alaska present different problems; Alaska Natives, for example, includes Athabaskan and other unrelated Native Americans.
One of the oldest known Eskimo archaeological sites was found on Saglek Bay, Labrador, and dates to approximately 3,800 years ago. Another was found on Umnak Island in the Aleutians, for which an age of approximately 3,000 years was recorded.
Eskimo people are culturally and biologically distinguishable from neighbouring indigenous groups including American Indians and the Sami of northern Europe. Studies comparing Eskimo-Aleut languages to other indigenous North American languages indicate that the former arose separately from the latter. Physiologically, an appreciable percentage of Eskimo people have the B blood type (ABO system), which seems to be absent from other indigenous American groups. Because blood type is a very stable hereditary trait, it is believed that at least a part of the Eskimo population is of a different origin from other indigenous American peoples.
Culturally, traditional Eskimo life was totally adapted to an extremely cold, snow- and icebound environment in which vegetable foods were almost nonexistent, trees were scarce, and caribou, seal, walrus, and whale meat, whale blubber, and fish were the major food sources. Eskimo people used harpoons to kill seals, which they hunted either on the ice or from kayaks, skin-covered, one-person canoes. Whales were hunted by using larger boats called umiaks. In the summer most Eskimo families hunted caribou and other land animals with bows and arrows. Dogsleds were the basic means of transport on land. Eskimo clothing was fashioned of caribou furs, which provided protection against the extreme cold. Most Eskimo wintered in either snow-block houses called igloos or semisubterranean houses built of stone or sod over wooden or whalebone frameworks. In summer many Eskimo lived in animal-skin tents. Their basic social and economic unit was the nuclear family, and their religion was animistic.
Eskimo life has changed greatly because of increased contact with societies to the south. Snowmobiles have generally replaced dogs for land transport, and rifles have replaced harpoons for hunting purposes. Outboard motors, store-bought clothing, and numerous other manufactured items have entered the culture, and money, unknown in the traditional Eskimo economy, has become a necessity. Many Eskimo have abandoned nomadic hunting and now live in northern towns and cities, often working in mines and oil fields. Others, particularly in Canada, have formed cooperatives to market their handicrafts, fish catches, and tourism ventures. The creation of Nunavut, a new Canadian territory, in 1999 helped to support a revitalization of traditional indigenous culture in North America.
Pygmy
Pygmy, in anthropology, member of any human group whose adult males grow to less than 59 inches (150 cm) in average height. A member of a slightly taller group is termed pygmoid. 
The best-known Pygmy groups and those to whom the term is most commonly applied are the Pygmies of tropical Africa; elsewhere in Africa some of the San (Bushmen) of the Kalahari are of Pygmy size. There are also Pygmy groups, commonly known as Negritos, in Asia. Similarities in the physical features of the African and Asian groups are a result of their long period of adaptation to similar environments.
Virtually all Pygmy peoples are hunters and gatherers, practicing neither agriculture nor cattle raising. Most maintain close symbiotic relations with other groups in their region; consequently most have lost their indigenous languages and adopted that of their neighbours.
The famous Pygmy groups of the Ituri Forest in Congo (Kinshasa) present an example of a culture unchanging as a result of acculturation with neighbouring peoples. Known collectively as the Bambuti (Mbuti), they are probably the earliest inhabitants of the region. Another well-known Pygmy group in equatorial Africa are the Twa (Batwa), who live in the high mountains and plains around Lake Kivu, in Congo, Rwanda, and Burundi, in symbiosis with the pastoral Tutsi, the agricultural Hutu, and other tribes. Many specialize in pottery, which they market; others hunt; some act as court musicians and attendants.
Westward, in the marshes south of the Congo River, is the large group of Tswa (Batswa), who, like the Twa, have adopted much of the culture and language of neighbouring tribes. They live largely by fishing and trapping.
North of the Congo, in the forest west of the Ubangi River, are the Babinga. This is also an acculturated group of pygmoids, but perhaps because of similarity of habitat they share more cultural characteristics with the Pygmies of the Ituri Forest than do the Twa and Tswa.
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