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Here's Why Hippos Are More Dangerous Than You Thought
Are hippos dangerous? What to know about the danger they pose. - USA TODAY
Hippopotamus - Wikipedia
15 Hippopotamus Facts - Fact Animal
Are Hippos Dangerous? Understanding Their Aggressive Behavior - Treehugger
Why Are Hippos So Aggressive? Plus, How Dangerous They Are - wikiHow
Hippo Attacks: How Dangerous Are They To Humans?
Why Are Hippos Dangerous? Hippopotamus Attacks
Hippopotamus, facts and photos - National Geographic
Are Hippos Dangerous? Facts about Traits & Aggressiveness