What is the toothiest critter that ever lived on our planet? For example, the strength of human jaws is about 160 pounds per square inch. It’s good to break some tough cookie or a pistachio shell, which is enough for survival in our harsh modern world. But what about more serious contenders? A mastiff is among the mightiest friends humans have, and it can easily snap a thick branch in two. A lion can show 650 psi — it’s four times stronger than the human’s bite! But did you know that the hyena’s jaw force is higher than that of both lion’s and tiger’s? Well, if hyenas were not cowardly, they would probably be among the most feared animals of the savannah! 

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