Grizzly 399 (1996 - Oktoba 22, 2024) yar beyar da ke zaune a Grand Teton National Park da Bridger-Teton National Forest a Wyoming, Amurka. Mafi Girma Ecosystem na Yellowstone don ganin ta da sauran berayen grizzly. Akwai asusun Facebook, Twitter, da Instagram na hukuma don Grizzly 399.