In 2018, National Geographic published another article on the hippos which found disagreement among environmentalists on whether they were having a positive or negative impact, but that conservationists and locals - particularly those in the tourism industry - were mostly in support of their continued presence.
I 2018 offentliggjorde National Geographic en anden artikel om flodhestene, der fandt uenighed blandt miljøforkæmpere om, hvorvidt de havde en positiv eller negativ indvirkning, men at bevaringsfolk og lokalbefolkningen - især i turistsektoren - hovedsagelig støttede deres fortsatte tilstedeværelse.