06/21/2017 | 54m 10s
Surviving winter can be tough for the wildlife of Yellowstone, and will this year’s weather favor predator or prey? Will the grizzlies that emerge early survive, and why are the wolves and Great Gray Owls in danger of starvation? Plus find out how Yellowstone’s unique geology affects the mighty bison.
Expires: 07/26/19Video has closed captioning.