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NATURE: In The Valley Of The Wolves

Airs Sunday, July 17, 2011 at 8 p.m. on KPBS TV

Three Druid wolves in Yellowstone's beautiful Lamar Valley.

Credit: Joel Sartore/NGS Image Collection

Above: Three Druid wolves in Yellowstone's beautiful Lamar Valley.

Interactive Map

Scroll over the map to find out about the different wolf packs of Yellowstone and learn in which of the territories of the park they roam.

In 1995, the first gray wolves were transported from Alberta, Canada to Yellowstone National Park, to repopulate the sprawling landscape with the species, absent for more than 70 years. The following year, a second wave of wolves was brought to the park from British Columbia, Canada; five of them were released together, and they were named the Druid Peak pack.

As the first wolves reintroduced into Yellowstone, the Druids are the most celebrated wolf pack in North America. New pioneers in the wilderness, they were at the heart of a massive scientific experiment to restore an entire ecosystem that began to break down without its wolves.

Emmy Award-winning filmmaker Bob Landis spent over three years with these remarkable wolves, creating a spectacularly dramatic and intimate record of their lives, their great battles with rival wolf packs, and the changing fortunes of the coyotes and foxes who share their home range in Yellowstone's beautiful Lamar Valley.

Watch an excerpt below, and view the full program online.

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Web Exclusive: Nature: In The Valley Of The Wolves

Emmy Award-winning wildlife cinematographer Bob Landis discusses the making of the film, including the ideal circumstances for filming a predation scene; the importance of spending a vast amount of time in the field; the uniqueness of Yellowstone's Druid wolf pack, and more.

Video Excerpt: Nature: In The Valley Of The Wolves

In this excerpt from "Nature: In The Valley Of The Wolves," a lone black wolf dubbed "Casanova" covets the daughter of the powerful patriarch of Yellowstone's Druid wolf pack. For three years, filmmakers follow Yellowstone's Druid wolf pack as it struggles for control of the prized Lamar Valley, and shows the interdependence of the valley's diverse wildlife.

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