Study Reveals Cause of Rudolph's Red Nose

Dutch and Norwegian scientists reveal creatures' noses contain large amount of blood vessels.
1:49 | 12/24/12

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Transcript for Study Reveals Cause of Rudolph's Red Nose
A christmas mystery solved. Rudolph the red-nosed reindeer may have had a shiny red nose. But, wait -- there's actually a new study, by dutch and norwegian scientists that reveals why. If you don't believe me, there's nick watt. ♪ Rudolph the red-nosed reindeer had a very shiny nose ♪ Reporter: He's the most renowned of reindeer. The star of song and screen. ♪ All of the other reindeer used to laugh and call him names ♪ Reporter: But, there's a whispering campaign. Is are yrudolph just another drunk? Reindeer have lots and lots of vessels going their snout to keep them cozy. That's why rudolph's snoez red. So then why don't prancer, dancer, et al., Also have glowing noses? Sorry. Reporter: Try again? Rudolph is the front of the sleigh, in the dreekt line of earth turbulence. He would need to keep his nose warmer than the rest. Reporter: We caught up with a couple of reindeer in annen natural habitat. A california beach. It looks warm. Yes, very. He's got fur on his nose. Most deer don't have that. Reporter: He's got hairier nostrils than my g dad. If he was going to fly, he needs wings? No, they have magic. Reporter: Which takes us back to square one. It's all magic. Let's just leave it at that. ♪ You would even say it glows ♪

This transcript has been automatically generated and may not be 100% accurate.

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