a southern white rhinoceros, ceratotherium simum ssp. simum, dehorned for protection, grazes on grass in a field in south africa

african animal wildlife ceratotherium simum southern white rhinoceros vulnerable biodiversity body conservation dehorned dehorning endangered environment feeding field grass grassland grazing behavior habitat herbivore herbivorous horn large mammal massive nature outdoors poaching protection measure rhino safari savannah south africa species ssp threatened tusks ungulate eye wild wilderness