stackyFACTSImagine being so tall that your primary evolutionary concern is whether the inside of your mouth needs SPF 50.
Imagine being so tall that your primary evolutionary concern is whether the inside of your mouth needs SPF 50. Because giraffes spend up to 12 hours a day with their tongues extended to strip leaves from thorny acacia trees, their tongues evolved a dark purple hue loaded with melanin. This built-in pigmentation acts as a biological sunblock, preventing their 20-inch tongues from getting brutally blistered by the harsh African sun.
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