If you’ve ever before been lucky sufficient to be licked by a giraffe, you’ll notification that their 50cm-long tongues can show up purple, bluish or nearly black in colour. This is as result of the density of dark ‘melanin’ color pigments in them.

There’s tho no critical explanation because that this, but the leading theory is that the melanin offers extra UV protection, preventing their delicate tongues from gaining sunburnt together they feed up high.

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