The high-stakes race against winter in the Alaskan wilderness

Grizzly Bear Bulking Season | Deep into the Wild | BBC Earth · 5:35 · Video: BBC Earth · Watch at the source

In short: Naturalist Nick Baker travels to Alaska to witness grizzly bears during their critical summer feeding window. This footage captures the intense biological drive of these apex predators as they prepare for months of isolation.

During the short Alaskan summer, grizzly bears enter a period of intense caloric intake known as bulking season. The goal is survival: they must accumulate enough fat reserves to endure the freezing temperatures and food scarcity of the winter months.

The video follows Baker's mission to observe these animals in some of the world's most untamed habitats, providing a rare look at the behaviors that sustain one of nature's most formidable species.

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