Rangers in Wyoming's Grand Teton National Park were unable to determine if speed was a factor in the recent vehicle strike that killed a sub-adult grizzly bear on a park highway. The 5-year-old male bear,

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.