Solitary male white rhinoceros, ceratotherium simum spotted eating in a zoo enclosure, handheld motion close up shot

white rhinoceros rhino square lipped ceratotherium simum zoo animal mammal large eat forage graze food feed habitat species male herbivore conservation malaysia taiping singapore thailand africa northern southern endangered threaten park nature natural grass horn bush reserve safari african national kenya rural countryside uganda sanctuary adult captivity enclosure ground