Usually, dumping fish-killing garbage into rivers is a human’s job. But hippos seem to be doing it, too, through their routine mass pooping events. At least, that’s what a team of scientists in the ...

The thunderous calls of common hippos can be heard from more than half a mile (1 kilometer) away — and when a hippo hears the booming call of an unfamiliar hippo, the animal often responds by letting ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As anyone who’s ever prowled Instagram for updates on Fiona the ...

A family of hippos plays at the banks of Ewaso Ng'iro. Hippopotamus faeces from Mara River has been identified as vital for the survival of major lakes in East Africa due to their unique feeding ...

Hippos may appear inactive, but a recent study shows that they’re listening closely to their surroundings. Paul Souders via Getty Images Hippopotamuses are best known for their bumbling bodies, ...

Hippopotamuses play a crucial role in East Africa’s ecosystem, ingesting copious amounts of silica-laden grass and excreting 880 pounds of the nutrient into Kenya’s Mara River every day. In turn, this ...

It's not just pollution that can harm oxygen levels in rivers. Another culprit: hippo poop. A study lead by researchers at Yale University found hippos pooping in the Mara River in Africa are killing ...