Eric Walker added Northern white rhinoceros - Wikipedia to Northern white rhinoceros
Eric Walker added The Last Two Northern White Rhinos On Earth - The New York Times and Northern white rhinoceros - Wikipedia to Northern white rhinoceros, and added Northern white rhinoceros to Ceratotherium simum
Eric Walker added Northern white rhinoceros to Ceratotherium simum, and added Ceratotherium simum to Ceratotherium