Hippos are being killed by government soldiers, local militia and poachers, the World Wildlife Fund said. The meat is sold as food while teeth end up as part of the illegal ivory trade.

该基金会指出，河马数量大量减少主要是因为士兵、当地民兵和偷猎者的捕杀。河马肉被作为食品出售，河马牙则被拔下来用作非法象牙贸易。