Video

How Big Was Yellowstone’s Most Massive Grizzly?

Published July 3, 2025

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Yellowstone National Park is known for its large population of grizzly bears – but have you wondered how large those grizzlies can get? In this amazing video you will learn the size and weight of the biggest grizzly that ever lived in Yellowstone and meet the runners up!

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A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.