(King Salmon, AK) - "Fat Bear Week" is underway in Alaska pitting bear against bear to see who packs on the most weight before winter hibernation.
The bracket competition features brown bears on "bear cams" bulking up on salmon and all the action is livestreamed so about 10-million viewers can keep track of their favorite bears.
Fans can vote on their favorite bear all this week.
A champion will be crowned October 10th.