The Hippo (short for Hippopotamus Defense) is a setup that can be used

Colombia to send Pablo Escobar's hippos to India, Mexico – DW – 03/03/2023

Pablo Escobar's Hippos: Ecosystem Restorers and Plaintiffs

Deadliest animal in the world is mosquitos, not hippos

Introducing Augustus - Baby Hippo Born at Disney's Animal Kingdom is a Boy!

Hippo attacks: How to avoid one of Africa's most dangerous animals

Large and in charge: Meet the hippos at Cheyenne Mountain Zoo, Cheyenne Mountain Zoo

In defence of the HiPPO

The Hippopotamus Rises: The Re-Emergence of a Chess Opening by Andrew Martin

The Debate About Pablo Escobar's Hippos : Short Wave : NPR

Here's What to Do to Escape and Survive a Hippo Attack - A-Z Animals