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NATURE: Clash: Encounters Of Bears And Wolves

Airs Wednesday, April 10, 2013 at 8 p.m. & Sunday, April 14 at 4 p.m. on KPBS TV

Above: Grizzly and wolves. What happens when Yellowstone’s top predators face off? This film offers arresting showdowns between grizzlies and wolves and reveals details of their social lives and survival strategies, as well as those of other animals in Yellowstone, from elks to otters.

The wilds of Yellowstone National Park are a world of predators, scavengers and opportunists. In this vast and complex kingdom, two dominant predators reign supreme: the grizzly bear and the wolf.

Size and power square off against speed and teamwork, as mighty grizzly bears contend with powerful packs of wolves for control of the food supply. Though these two fearsome hunters would normally rule their ranges uncontested, in Yellowstone they must share resources, or face starvation.

A grizzly in his prime is the undisputed master, able to take down prey as easily as he is able to dominate the fresh kills of other predators.

The wolves of Yellowstone must use their numbers to their advantage, organizing to take down their prey and defend the spoils of their hunts from the bears.

Together, a strong pack of wolves can challenge a solitary grizzly, and defeat it. As these two fierce competitors test their strategies for survival against each other, an entire food chain of scavengers survive in their wake. Crafty coyotes and cunning crows take advantage of the predators’ feuds to make the most of any felled feast.

It’s a test of skills and wills in the often harsh environment of Yellowstone as two of the continent’s greatest hunters take each others’ measure. Now, join NATURE and discover who will triumph in "Clash: Encounters of Bears and Wolves."

This program originally aired in 2010.

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Video

Nature: Clash: Encounters Of Bears And Wolves

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Watch Clash: Encounters of Bears and Wolves on PBS. See more from Nature.

Above: The wilds of Yellowstone National Park are a world of predators, scavengers and opportunists. In this vast and complex kingdom, two dominant predators reign supreme: the grizzly bear and the wolf. It's a test of skills and wills in the often-harsh environment of Yellowstone as two of the continent's greatest hunters take each other's measure. Join NATURE and discover who will triumph in "Clash: Encounters of Bears and Wolves."