Every fall, Katmai Nationwide Park in Alaska turns into the stage for an uncommon however beloved competitors: Fats Bear Week. The net occasion celebrates the park’s brown bears as they gorge on salmon and different wealthy meals to arrange for hibernation. Followers from all over the world tune into livestreams, fill out match brackets, and forged votes to crown the fattest bear of the season.
Greater than a playful contest, it’s an annual reminder of the bears’ survival technique and the well being of the ecosystem that sustains them.
Fats Bear Week celebrates Katmai’s brown bears getting ready for hibernation.
Why “Fats” Means Survival
Fats Bear Week spotlights a life-or-death technique. Bears enter hyperphagia, eat relentlessly, and retailer fats to gas months of hibernation. “Throughout hibernation, bears don’t eat or drink and lose a 3rd of their physique weight,” explains Discover.org, which hosts the bearcams and the vote. That fats is fabricated from salmon, and the Brooks River is among the richest seasonal buffets on Earth for brown bears.
This 12 months’s salmon surge issues. “This 12 months’s salmon run was extraordinary, with salmon numbers surpassing something seen in latest reminiscence,” stated Matt Johnson, Katmai’s interpretation program supervisor, in an e mail to NPR.
Extra fish means much less preventing and, remarkably, extra play. It additionally means more healthy bears heading into deep winter.

Bears pack on weight to outlive months with out meals or water.
A World Recreation With Native Stakes
The bracket is enjoyable, but it surely’s additionally a doorway into ecology and stewardship.
“It actually is a chance for individuals to consider how bears survive, what they should do to outlive, what the ecosystem supplies them,” stated longtime Fats Bear voice and former ranger Mike Fitz, now an [Explore.org](http://discover.org/) naturalist, chatting with the Related Press.
Katmai helps an estimated 2,200 brown bears, with 80–100 returning to the Brooks River annually; solely a dozen make the bracket, park workers informed NPR.
The tales behind the names join viewers to conservation. Grazer, a two-time champion and protecting mom, returns as a people hero after a dramatic season final 12 months, NPR studies. Chunk, one of many river’s giants, arrived this summer season with a damaged jaw but “nonetheless right here. Nonetheless fishing. Nonetheless Chunk,” the Katmai Conservancy maintains. These arcs educate resilience, competitors, and the prices of life within the wild—with out dealing with or weighing bears, which might be unsafe, the Related Press studies.
Watch, Vote, and Study
The cameras stream each day life at Brooks Falls, the place voters can examine before-and-after bulk and observe cubs studying to fish beside their moms, in keeping with TODAY. Votes are forged at [Explore.org](http://discover.org/) throughout revealed hours (11 a.m. to eight p.m. CDT, Sept. 23–30), with one poll per e mail and stay outcomes.
With salmon “greater than ever,” greater bears are anticipated, Katmai Conservancy’s Naomi Boak informed TODAY.
Ultimately, Fats Bear Week is a civic lesson in ecosystems. It turns webcams and brackets into conservation literacy, linking public pleasure to habitat well being—from Bristol Bay’s sockeye to Katmai’s den entrances—one vote, and one salmon-fed bear, at a time.