Weird, Great and Interesting Underneath all its fur, a polar bear’s skin is black. A rhinoceros’s skin can be almost 2 inches thick.Frogs’ skin is unique. Instead of drinking water through their mouths, they soak it in through their skin!The whale shark has the thickest skin in the world, at an impressive 15 centimeters (6″) … Continue reading Facts for Friday-Animals are…… →