Related: Mama Rhinoceros Shows off Her Adorable ... When they roll around in mud or dust, it's called wallowing, and it helps protect them from sunburn, insect bites, and can even cool them ...

Male rhino having a mudbath. By rolling in the mud he can coat his entire body with the cooling fluid. As it dries the mud also traps the parasites that are on the body of the rhino and he can ...