Grizzly bear 399 was hit and killed by a car on Highway 26/89 in Snake River Canyon south of Jackson, Wyoming, in October, McClatchy News previously reported. The 28-year-old mother grizzly was the oldest known reproducing grizzly bear in the Greater Yellowstone Ecosystem.

Grizzly 1058’s mother was Grizzly 399, a well-known bear that also lived in Grand Teton National Park. After Grizzly 399 was hit and killed by a car in October 2024, her death made headlines around the world and sent shockwaves through the Jackson Hole community.