Wrangel Island, ostrov Vrangelya, is an islandin the Arctic Ocean, between the Chukchi Seaand East Siberian Sea.
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They probably survived because Wrangel Island was so isolated
that it separated them from whatever threat wiped out the mammoths
on the mainland. They died out around 2,000 BC, around the same
time that humans arrived on Wrangel Island.