Fight or Flight: Survival at All Costs | Free Documentary Nature

Transcript

In the heart of the Alaskan wilderness, one of nature's mass attacks is about to begin. At the top of the falls, a solitary bear with only her voracious appetite for company. But she won't be alone for long. An insatiable hunger is drawing grizzlies from all over the forest. Summer has peaked and their hormones have shifted, pulled toward the river... Read More