The last male northern white rhino has seen better days. At the advanced age of 43, arthritic in leg and blind in one eye, Sudan struggles to get around.
Najin, right, and her daughter Fatou, the last two northern white rhino females
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PHOTO: Sudan, a Northern White Rhinoceros is protected by armed guards John Mugo and
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A wildlife ranger strokes one of the world's last three northern white rhinos at Ol Pejeta
Sudan, the last living male northern white rhino, at Ol Pejeta Conservancy.