PBS Nature schedule

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An exploration of the hearts, minds and souls of elephants.

Life in the Kalahari Desert includes butterflies, termites, locusts, quelea birds and bullfrogs.

The Kalahari Desert's Okavango Delta from the point of view of crocodiles and eagles.

An examination of the diverse plants and animals that have adapted to the harsh environment of the Kalahari Desert in South Africa.

Searching for elusive Siberian tigers in remote Russia.

The survival of animals in the Keoladeo National Park of northern India, where widespread drought is brought on every 20 to 30 years by the lack of monsoon rains.

A natural history of Hong Kong explores wildlife of the British colony's mainland, seas and islands.

Individuals care for a population of once-captive chimpanzees that scientists used for research.

Scientists teach a gorilla to use sign language to communicate with them; narrator Martin Sheen.

Scientists search for the bird of paradise in the New Guinea rain forest; host David Attenborough.

Hummingbirds, the tiniest of birds, qualify as some of the toughest and most energetic creatures in the world.

High-speed cameras capture hummingbirds as they mate, fight and raise families.

The colors, behaviors and habitats of the parrots occupying Australia.

The future of the macaw, whose survival may depend on the poachers who brought them to the brink of extinction.

Owners and rescuers discuss the pros and cons of caring for parrots; conservation efforts in the wild.

Wildlife cinematographer Wolfgang Bayer focuses on the Laysan albatross of the Hawaiian Islands.

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.

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