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Why is Bird Poop White?


Why is that stuff white? Thanatham Piriyakarnjanakul/EyeEm/Getty Images
Why is that stuff white? Thanatham Piriyakarnjanakul/EyeEm/Getty Images

Bird poop: It’s the bane of cars, statues, awnings and occasional hapless pedestrians across the world. But what is this stuff anyway? Why does it look so unnatural? Why is it white?