The 5-year-old male bear, identified as Grizzly 1058, was among quadruplets born to the world-famous Grizzly 399 in 2020. (Grizzly 399 died last fall after being struck by a vehicle south of Jackson.) ...

She was known as Grizzly 399. I’ve been filming in Grand Teton National Park and the Northern Rockies for 20 years. A few years ago, I had the honor of filming 399 when she had her quadruplets.