Things You Didn't Know About Reindeer

Reindeer are featured on Christmas cards and in movies worldwide this time of year, galloping across the sky with Santa's sleigh in tow.

But on Europe's northern fringe, the migratory mammals are part of everyday life all year round as they roam the fells of Lapland -- the Arctic homeland of the indigenous Sami people of Norway, Sweden, Finland and northwest Russia.

Here are some interesting things you may not have known about reindeer:
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