PBS Nature schedule

no info available

See how a man's mission to kill a wolf had a lasting impact on wilderness preservation.

Each time the grizzly and the wolf meet in Yellowstone National Park, one of them has a tactical advantage.

Grizzly bears cause social and environmental problems at Yellowstone National Park.

Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; bears fish for salmon.

Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.

Former Vietnam medic Doug Peacock lives as a fire watcher and conservationist in Montana's Glacier National Park.

Some 1,700 brown bears take up residence in the Tongass National Forest in southeastern Alaska.

Bear biologist Chris Morgan tracks grizzlies in the Alaskan wilderness.

Chris Morgan studies black bears caught between urban development in Anchorage, Alaska, and the wilderness.

As winter approaches, polar bears wait to hunt on sea ice in Kaktovik, Alaska; in late spring, grizzlies await caribou on the northern slope of Alaska's Brooks Range.

Icebergs are the source of life for seals, krill, penguins and petrels.

Female Adélie penguins lay their eggs on land, head for the sea, leaving males to guard the nests, and return a month later.

Killer whales snatch sea lion pups from shore, as penguins, maras and guanacos go about their business.

Millions of years ago, the advance and retreat of ice shaped the mountains, coastlines, gorges and inland waterways of Ireland.

Emmy-winning filmmaker Hugh Miles presents a lyrical portrait of Scotland's Caledonian Forest.

A bearded vulture, the bonebreaker, feeds atop the harsh Pyrenees separating Spain and France.

Discovering what makes humans and horses so perfect for each other And how the wild horses that were tamed 6,000 years ago became over 400 specialized breeds.

How humans saved the wild horse from extinction and how mankind created over four hundred specialized breeds over time.

Cinematographer Wolfgang Bayer compares mustangs with the settling of North America.

The life of a wild horse in Montana proceeds from birth, through rites of passage and survival.

The life of a wild horse in Montana proceeds from birth, through rites of passage and survival.

Cloud, the wild white stallion now in his prime, rules Arrowhead Mountain in Montana.

The relationship between a horse and rider depends on understanding the animal, building trust, communication and working in unison.

A newborn fawn faces the challenges of growing up, learning about life and outwitting predators.

More than 30 million white-tailed deer live in the U.S.

no info available