The bear was a mother to at least 18 cubs over the years and a documentary star. Now, the internet is mourning her death after she was hit by. a car.

The bear known as Grizzly 399, who PBS dubbed the "most famous grizzly in the world," was killed Tuesday evening after being hit by a car in Wyoming, according to officials. The U.S. Fish and Wildlife Service said the bear was identified through her microchip after being hit on a highway in Snake River Canyon near Jackson,