Mother White Rhino drinks from muddy pond as her baby stands nearby

white rhinoceros white rhino rhino rhinoceros drink mother baby muddy pond thanda watering hole rhinocerotidae big five ceratotherium simum dangerous heavy herbivore horn ivory pachyderm pachydermata perissodactyla poaching target aggressive crash stubbornness square lipped rhino endangered dehorning dehorned thanda private reserve wildlife africa nature wild safari wilderness squarelipped african outdoor natural habitat ecology horned conservation reserve