Grizzly 399 had a yearling cub with her when she was struck by the vehicle. The cub's whereabouts are unknown, but there is no evidence it was involved.

Law enforcement officers in western Wyoming say the driver who struck and killed a famous grizzly bear south of Grand Teton National Park was not speeding and the bear's death was an accident.

The famous grizzly bear mother, a longtime icon in the Yellowstone area, has died after being struck by a vehicle on a Wyoming highway.