Reindeer are domesticated caribou and have been around more than 4 million years. Originally, they were used as decoys for hunting, then became herd animals.
Reindeer have hair on their hooves, which allows them to make soft landings on rooftops.
Their thick coats give them extra insulation during cold winter nights.
Only female reindeer have antlers at Christmastime. Males fight so much that their antlers fall off by this time of year. Like human fingerprints no two reindeer antlers are exactly the same.
Reindeer can run up to 50 miles per hour.
Reindeer live in Northern parts of North America including Canada and Alaska. They also are found in Europe, Russia, Greenland and, of course, with Santa at the North Pole.
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