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

Hippos Recognized as People in American Court: It's a First for Animals!

The Third Edition of an already Classical Chess book! The Hippo is an Ultraflexible System based on a Characteristic double Fianchetto development

The HIPPO System: A Universal Chess Opening for White & Black

Biodiversity Archive - Untamed Science

Who are these hippos - India set to be new home of Pablo Escobar's hippos

Deadliest animal in the world is mosquitos, not hippos

The Hippopotamus Defence

Hippo Symbolism & Meaning Hippo Spirit, Totem, & Power Animal

Hippo Fact Sheet, Blog, Nature

Helpful Tips to Survive Getting Eaten by a Hippopotamus

Hippopotamuses are the deadliest land animal on the planet, killing at least 500 people per year. Their bite can apply a force of 2,000 pounds per square inch, enough to snap a

Decades after Pablo Escobar brought hippos to Colombia, country now dealing with dozens of them - CBS News

Chess Openings: Learn to Play the Hippopotamus Defense

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