"Northern white rhino is thought to be extinct in the wild due to poachers". When will humans horrific and destructive affects on animals ever end?! via cnet: Wildlife officials at Ol Pejeta Conservancy euthanize the rare rhinoceros due to severe pain in his muscles and bones. The life of the last known male northern white rhinoceros has sadly come to an end. The 45-year-old rhino named Sudan was put to sleep on Monday by officials from the nonprofit Ol Pejeta Conservancy in Kenya, after it became clear the animal was in extreme pain from age-related health issues and a series of infections. "Once his condition worsened significantly and he was unable to stand up and evidently, suffered a great deal, the decision to euthanize him was made by his veterinary team," according to an official statement from the Ol Pejeta Conservancy. The last of his kind, Sudan leaves behind two females of his subspecies -- Sudan's 27-year-old daughter