Pablo Escobar's four imported hippos have spawned Colombia's largest invasive population, disrupting local ecosystems. These ...

Even the king of the jungle can have a bad day when trying to cross a river guarded by an aggressive hippo. Three lions found out the hard way that this river crossing was a giant hippo’s territory.

When the weather outside is rightful, like it has been for much of this past week in the United States, zoo keeps have to come up with ways to keep the zoo animals both mentally and physically ...

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 ...

In Colombia, hippos introduced by Pablo Escobar in the 1980s have become a major issue as the population has grown to around 200, causing safety concerns for locals and tourists. This is a photo ...

He's a total vibe!

In Colombia, the hippos originally imported by Pablo Escobar have become an ecological menace. Initially introduced for his ...