Every year Katmai National Park hosts a competition to rank the park's bears as they bulk up for the winter.
The competition has become an unexpected internet phenomenon.
We caught up with ranger Christine Loberg to talk about the bears.
Fat Bear week
1 of
— D667B0BB-8ACF-4AA3-8B4B-52D774A83211.JPEG
Bear 806 at Katmai National Park, Alaska.
Christine Loberg
2 of
— 9201599F-A23E-4904-BDA4-30392C9222B7.JPEG
Bear 32 Chunk, 2025's fat bear winner, at Katmai National park, Alaska.
Christine Loberg
3 of
— 7D4FEFC7-4540-4612-B7D9-C60B963FFB06_SnapseedCopy.JPG
Bear 806 with her cub and adoptive cub at Katmai National Park in Alaska.
Christine Loberg
4 of
— _DSC3299.JPEG
Bear 806 with her cub and adoptive cub in Katmai National Park.
CHRISTINE LOBERG