Alaska's salmon-feasting bears face off in biggest Fat Bear Week ever
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bears → feast → Week
The brown bears in Katmai National Park and Preserve in Alaska, famous for embiggening themselves by feasting on salmon in the park's scenic Brooks River, are ready for their annual closeup.
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bears → embiggene → closeup
The 2026 Fat Bear Week bracket came out on Friday, kicking off a competition to determine which bear has worked hardest to pack on pounds for hibernation.
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bear → come → hibernation
Officials say fans should look out for signs of a generational shift, reflecting the vitality of Katmai's ecosystem.
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fans → say → ecosystem
And this year's bracket features 16 bears, up from 12 in recent years.
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"There are more cubs at Brooks Camp this year than have been seen in a long time," Park Superintendent Mark Sturm said in a news release.
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"A new generation of fat bears is taking shape, and they're off to a strong start," Sturm added, saying his team is eager to see how the young bears develop and fit in.
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bears → take → start
New contenders this year include Bear 89, a male known as "Backpack."
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contenders → include → Backpack
His nickname originated after an injury he had as a cub forced him to ride around on his mother's back, according to the park's website.
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he → originate → website
This year's single-elimination tournament begins on Tuesday, Sept. 22, when public voting starts.
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voting → begin → Tuesday
Voting pauses over the weekend, before a new champion is crowned on Sept. 29.
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champion → pause → Sept.
Viewers can follow the Katmai bears' exploits on webcams from Brooks River on Explore.org.
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Viewers → follow → Explore.org
The brown bears and cubs fill TV screens and computer monitors with fishing, eating and inter-ursine drama, giving humans a much-needed break from thinking about AI, midterm elections and the economy.
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bears → fill → AI
Instead, they can ponder the chances that last year's winner, the immense Bear 32 nicknamed "Chunk," might again be dubbed the fattest bear of them all.
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Weighing in at over 1,200 pounds, Chunk won over voters last year by chowing down despite suffering a broken jaw and even finding time to play with younger bears.
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It was a redemption story of sorts, coming a year after Chunk was villainized by some after killing a cub belonging to Grazer, the 2024 champion.
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Chunk → come → Grazer
Individual bears have differing priorities, Katmai National Park Ranger Sarah Bruce said in an online chat unveiling the bracket.
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For example, she noted that many single adult females must help their cubs get enough calories.
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cubs → note → calories
"When you're voting, consider the challenges of a bear's life," Bruce said.
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Bruce → vote → life
"Trust your gut and go with whatever you think the fattest bear is.
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bear → trust → gut
This has been a record-setting year for cubs, said former Katmai ranger Mike Fitz, resident naturalist at webcam company Explore.org.
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Fitz → set → Explore.org
He says 37 cubs were counted at Brooks River.
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cubs → say → River
Several cubs are included with their mothers in this year's bracket, such as Bear 806, which adopted an older cub along with raising her own cub from this spring.
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which → include → spring
Bruce also noted the importance of resilience, describing how Bear 909 has prepared for hibernation after losing both of her cubs this year.
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Before-and-after photos of the bears highlight the stunning transformation they undergo each year, after emerging gaunt and bony in the spring and bulking up from as little as 600 pounds for an adult male in the summer up to more than 1,000 pounds in the fall.
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they → highlight → fall
The bears endure a condition called hyperphagia, feeding a relentless hunger so they can pack on fat they'll need to survive the coming winter.
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they → endure → winter
The park uses Fat Bear Week to teach the public and students about brown bears, sockeye salmon and their ecosystem.
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park → use → bears
Some 2,200 bears are estimated to live in Katmai National Park and Preserve's 4.2 million acres.
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bears → estimate → Park
Interest in Fat Bear Week, which began in 2014, is international: For last year's contest, people cast more than 1.7 million votes from more than 100 countries, according to the park.
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people → begin → park
The Aporia
