Clip | Snowbound: Animals of Winter - Reindeer Noses Really Do Glow Red

Reindeer traditionally pull sleighs and have a popular reputation for red, glowing noses. But behind this folklore there is some surprising truth – an in-genius adaptation which helps them survive the extremes.

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Reindeer traditionally pull sleighs and have a popular reputation for red, glowing noses.

But behind this folklore there is some surprising truth - an in-genius adaptation which helps them survive the extremes.

Their noses are full of blood vessels which cool warm air down as it leaves the body and warms cold air up as it comes in - keeping the reindeers brain constantly warm and active.

So, as the thermal camera proves, reindeer's noses are actually red!!