Every day, thousands of hippos come to Kenya's Mara River. But they aren't there just to cool down — they also come to poop. As the hippos wallow, they collectively expel considerable quantities of ...

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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 ...

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 ...

A viral video of a hippopotamus has brought laughter to the internet, leaving netizens in stitches. In the now-viral clip, the hippo allegedly farted—or as some are calling it, launched a “gas attack” ...

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 ...

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 Mara River in Kenya, an overload of hippo feces can deplete the oxygen in the river water, resulting in mass fish die-offs downstream, a new study has found. Hippo pools are not just ...