![](https://image.tmdb.org/t/p/original/qWFmNaXiX3Fz1reHwzVt1wELTnt.jpg)
![](https://image.tmdb.org/t/p/w200/vfj018Tqd8rJrLqF894aeOOu1jK.jpg)
In the distant past, tens of thousands of grizzly bears lived in the part what is now known as the Western United States, between the Pacific Ocean and the Mississippi River. By the 1970s, only a few hundred ones remained. The animals live in small, scattered populations. One such population lives in the Yellowstone National Park...