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Why Do Giraffes Have Patches?

Would you believe that giraffes' instantly recognizable pattern is more about temperature control than camouflage? It's true—those dark patches are places where the blood runs closer to the surface of the skin, venting off heat in the process. What's more, this system of heat regulation may have more to do with the giraffe's long neck than its high-altitude diet does. Watch the video below for more.

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Why Do Giraffes Have Patches?

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