Tundra reindeer migrate between forest and tundra in these ... and will have fresh vegetation available thanks to the warmer climates. In North America, caribou also move up north in their migration.

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A few Arctic caribou can be discovered in the tundra, however. Formed by the coniferous taiga woods of the Arctic, the Arctic tundra encircles the North Pole. It spans from Alaska to Canada to Russia ...