Fat Bear Week champions over the years: See the chunky winners Grazer was brought to Brooks River in Katmai National Park and Preserve in Alaska as a cub in 2005. The bear delivered two first-year ...

Chunk attacked and killed one of Grazer’s cubs. Fat Bear Week is an online, bracket-style tournament that celebrates the brown bears of Katmai National Park and Preserve in Alaska. Each year ...

Grazer has a reputation for ferociously defending her cubs when she has a litter. To help meet their insatiable appetite, the brown bears of Katmai National Park turn to Sockeye salmon.