an white rhinoceros with mud on its body

animal background black body ear eye head horn isolated legs life mammal mud nature nose rhinoceros skin tail thick white wild wildlife zoo portrait genus chariotiformes robust smooth surface gray long degenerated incisors canine teeth cheek calcareous layer horns derivatives epithelial tissue accumulation keratin fibers shoulder well-developed spinal spines peak connecting ligaments limbs sturdy powerful toes rear lip snouted