James Mwenda is the caretaker for the last two northern white rhinos on Earth, both females, at the Ol Pejeta Conservancy in Kenya, a country in Africa. In 2018, the last male northern white rhinoceros died there. The rhino’s name was Sudan—and he became a symbol of the plight of all rhinos. The animals are threatened by illegal hunting. We spoke with Mwenda about his mission to speak out for rhinos.