On a remote Arctic island, a breeding pair of gyrfalcons and a pack of Arctic wolves struggle to raise their young as nine months of snow and ice melt away.

Select an animal name to see where each animal can be found within the park.

NATURE presents a breathtaking look at wintertime deep within Yellowstone, America's first national park.

Explore the photographs and artwork of naturalist Ernest Thompson Seton.

Wolf expert Doug Smith discusses current research at the Yellowstone Wolf Project, and how it can help change public attitudes.

Week after week, Ernest Thompson Seton tries new tactics to capture Lobo, but Lobo foils his efforts -- even disarming Seton's metal traps.

Ernest Thompson Seton ventures out to check his baits, slabs of meat laced with poison. He soon finds, however, that Lobo may be smarter than he'd thought.

(Airs Sunday, October 10) In 1893, a bounty hunter named Ernest Thompson Seton journeyed to the untamed canyons of New Mexico on a mission to kill a dangerous outlaw: a wolf named Lobo.

Wolves from the Druid pack chase down an elk.

Learn about the various wolf packs of Yellowstone National Park.