A Waterbuck is pictured at the Dinder National Park, about 400 kms southeast of the Sudanese capital, on April 7, 2021. - Spread over more than 10,000 square kilometres (3,800 square miles), Dinder National Park is Sudan's biggest and abuts Ethiopia's Alatash National Park. It boasts the country's most diverse wildlife, but rangers face a daily battle to protect it as human encroachment mounts. (Photo by ABDULMONAM EASSA / AFP)