Famed grizzly bear killed after being struck by vehicle in national park as her cub is still missing

A beloved grizzly bear has been struck and killed by a vehicle in Grand Teton National Park in Wyoming, officials said.

The famed grizzly bear -- known simply as “Grizzly Bear 399”due to the identity tag attached to her ear -- was fatally struck on Tuesday evening by a vehicle on Highway 26/89 in Snake River Canyon, just south of Jackson, Wyoming, and her identity was confirmed through ear tags and a microchip, according to a statement from the National Park Service on Wednesday.

“Grizzly bear 399 had a yearling cub with her, whose whereabouts are currently unknown,” park officials said. “At this time, there is no evidence to suggest the yearling was also involved in the incident, but the US Fish and Wildlife Service is monitoring the area.”

Vehicle collisions with wildlife, including grizzly bears, are not uncommon. From 2009 to 2023, there have been 49 grizzly bear mortalities due to vehicle collisions in the Greater Yellowstone Ecosystem and the National Park Service is now working with state and local agencies to gather more information surrounding this latest incident.

“People from around the world have followed grizzly bear 399 for several decades. At 28 years old, she was the oldest known reproducing female grizzly bear in the Greater Yellowstone Ecosystem,” said Hilary Cooley, Grizzly Bear Recovery Coordinator for the U.S. Fish and Wildlife Service.

“Wildlife vehicle collisions and conflict are unfortunate. We are thankful the driver is okay and understand the community is saddened to hear that grizzly bear 399 has died,” said Angi Bruce, Wyoming Game and Fish Department Director.

In 2024, including this incident, there have been 2 grizzly bear mortalities from vehicle strikes in the Greater Yellowstone Ecosystem, with the average number of grizzly bear mortalities in the region due to vehicle collisions during 2009-2023 standing at 3.3 bears deaths per year, authorities said.

“The grizzly bear is an iconic species that helps make the Greater Yellowstone Ecosystem so extraordinary. Grizzly bear 399 has been perhaps the most prominent ambassador for the species. She has inspired countless visitors into conservation stewardship around the world and will be missed,” said Grand Teton National Park Superintendent Chip Jenkins.

No additional information has been made available at this time and the investigation into the incident is currently ongoing.