Last of His Kind.

• Position: THE BIG PICTURE - Rhinoceros - Brief article

He's got heavily armed, 24-hour security from the Kenyan military. No, he's not the president or a high-ranking military officer--he's a 42-year-old rhinoceros named Sudan. Sudan isn't just any rhino; he's the last male northern white rhino on earth, making him incredibly valuable--and vulnerable. At the beginning of the 20th century, there were an estimated 3,000 wild northern white rhinos in eastern and central Africa. But they were relentlessly targeted by poachers because rhino horns are in high demand in places like China and Vietnam, where they're used to make jewelry and other luxury items.

Sudan is being safeguarded, along with the last two female northern...