A wildlife ranger comforts Sudan, the last male northern white rhino on the planet moments before he passed away. Credit: Ami Vitale National Geographic Creative

R.I.P. Sudan, 1973-2018


Sudan, the last Northern White Rhinoceros,┬áCertatotherium simum cottoni, was euthanized March 19. He was 45 years old, advanced old age for a rhino. He was the last male of his subspecies. The two remaining Northern White Rhinos are his daughter and granddaughter, Najin and Fatu. Sudan was born in 1973 in Shambe, South Sudan. He…