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On a cultural level, yes. The Yupik peoples have inhabited both sides of Bering Straight for at least a couple of millennia, though there are distinctions between the Siberian and various Alaskan groups.
Archaeological evidence on St. Lawrence Island, amidst the Bering Strait but slightly closer to Siberia than Alaska, demonstrates the cultural affinity to the Yupik peoples on both sides of the strait.
It has been inhabited intermittently for the past 2,000 years by Yupik Eskimos. The cultures of the island's population show links with groups on both sides of the Bering Strait. Extensive archaeological studies have been conducted on the island. These studies note both the archaeological and historical roles in the development of Arctic cultures.