They were part of a drug lord's private zoo. When he died, every other animal was moved. The hippos were left where they were ...

Hippos thrived in central Europe 40,000 years ago, fossils reveal - Findings point to Upper Rhine fossil deposits as an ...

Hippos are horrible at chewing, and their giant tusks and front teeth are to blame. These intimidating dental features are used by hippos, in part, to protect themselves and their territory. But some ...

This story originally appeared on Yale Environment 360 and is part of the Climate Desk collaboration. Thanks to years of campaigning by wildlife conservation groups, it’s widely known that Africa’s ...

The hippopotamus, also known as a hippo, is a massive amphibious mammal that spends most of its time near "lakes, pools, mudholes, or in the preferred moving waters of rivers," according to the San ...

They’re horny, horny hippos. The Colombian government wants to send Pablo Escobar’s so-called “cocaine hippos” to Mexico and India because the sexed-up mammals won’t stop procreating. The hippos — ...

Colombia on Tuesday began the sterilization of hippopotamuses, descendants of animals illegally brought to the country by late drug kingpin Pablo Escobar in the 1980s. Two male hippos and one female ...

Compared with Africa’s other big animals, hippos have been relatively neglected in scientific research. Partly, this is because they’re hard to study and dangerous to encounter. Hippos tend to live in ...

The descendants of cocaine baron Pablo Escobar’s hippos in Colombia should have the same legal rights as people, a federal court in the US ruled this week. The ruling, by a judge at a federal court in ...

Hippos' huge tusks and wide gape restrict grinding jaw movements, making their chewing inefficient, according to a study by Annika Avedik and Marcus Clauss at the University of Zurich, Switzerland ...