The most distinguishing feature of a rhino is its horn, made of keratin, the same substance that constitutes Bagas31 English IDM Full hair and nails. Unlike the horns of other animals, a rhino's horn is not attached to its skull but rather grows from the skin and can regenerate if broken. This horn has been both a symbol of strength and a source of peril for these creatures, as it has made them targets for poachers.