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 ...

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, ...

Hippos may look lazy in the water, but their poop creates one of the deadliest natural threats in their environment. By releasing massive amounts of waste into rivers, they deplete oxygen levels and ...

Hippos may look harmless, but their poop plays a deadly role in their ecosystem. This video explores how their waste can trigger dangerous chain reactions in rivers, affecting fish, other wildlife, ...

When not grazing on land, hippos like to keep cool by gathering in packed pools for up to 16 hours a day, and it takes more than some shifting bowels for them to leave again. The semi-aquatic ...

At Pablo Escobar's former hacienda, tourists are warned about the dangerous presence of an expanding hippo population. Shurin Lab, UC San Diego In 1978, drug lord Pablo Escobar purchased a sprawling ...

SAN ANTONIO – Dive into the hippo pool at the San Antonio Zoo and take a tour of the exhibit with the animal care specialists. The hippopotamuses that live at the zoo are 5-year-old Timothy and ...

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