Grizzly 399 Update 2024 Update. Now 399 is raising four new cubs in the face of human encroachment, a warming climate and the threat of losing protection under the endangered species act. Grizzly 399 — the oldest known grizzly mother bear — showed up again with a new cub, her first since 2022.

Almost as soon as grizzly 399 emerged sunday, she disappeared, leaving only a few melting paw prints in the snow. Grizzly 399 — the oldest known grizzly mother bear — showed up again with a new cub, her first since 2022.