Scientists film Rudolph's glowing nose


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Scientists at Lund University used a thermographic camera to film reindeer at the Zoo of Nordic Animals in Sweden.

They discovered that Rudolph's nose is "red" due to the rich supply of blood the animal needs to pump to its nose to keep it from freezing.

 

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"When reindeer are feeding, their mules are exposed to very low temperatures as they look for food under the snow," Professor of Functional Zoology at Lund University Ronald Kr?ger said in a press release. "They need to maintain sensitivity in order to know what they're actually eating."

They do so by sending warm blood to their cold noses -- creating the reddish "glow" Rudolph the red-nosed reindeer is named for.

 



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