This is equal parts disgusting and hypnotic. We’ve seen hippos using their tails to spray their poop around, but we’ve only seen it on land—and the hippo wasn’t pressed right up against glass. Let’s ...

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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 ...

Hippos respond differently to the calls of familiar and unfamiliar hippos. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

At first, Chris Dutton and Amanda Subalusky had no idea why the fish were dying. At a bridge on the border between Kenya and Tanzania, they noticed that whenever the Mara River rose by a few feet, ...

In the East African savanna landscape, hippos and their poop play a critical role. By chomping on large amounts of silica-rich grass at night, then defecating into the Mara River during the day, the ...