Brian on Instagram: "Hippo skin is fascinating!👏 Thousands of small patches seem to make up the “fabric” that protects these amazing creatures so well. From afar—where most wisely stay when watching hippos—they look quite dull and grey, but up close, their skin is actually quite beautiful. Hippos have very thick skin—on average about 4–6 cm (1.5–2.5 inches)—but on the backside, like here, it can be up to 6.5 cm (2.5 inches) thick. It acts as armour and is almost impenetrable; even sharp hippo t