Perpetual Motion explores two great agents of creation and destruction – the atmosphere and the oceans. Together they create the patterns of life from rainforest to desert – and also produce the furies of hurricanes and tornadoes.
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Researchers and filmmakers set out to produce the first comprehensive film chronicle of the jaguar.
Owners relate tales of feline courage, stamina, resourcefulness and loyalty.
Trained dogs aid the disabled, do dangerous military work, find humans buried by avalanches.
Examining the bond between people and their furry, four-legged friends.
Dog trainers adopt unwanted dogs from shelters and train them to herd sheep and sniff bombs.
The relationship between man and dog during the 1,200-mile Iditarod dog-sled race.
The breeding, training and behavior of young dogs and advice on what to avoid when choosing a puppy.
There are over 400 breeds of dog, each unique for its personality, habits, and form.
Learn how the domestication of dogs might have taken place.
Ernest Thompson Seton's tale about an encounter with a wolf.
The Druids are the first wolves reintroduced into Yellowstone National Park.
The grizzly and the wolf meet in Yellowstone National Park.
Grizzly bears cause social and environmental problems at Yellowstone National Park.
Ecologist Chris Morgan camps among the largest concentration of grizzles in the world.
Ecologist Chris Morgan explores the world of black bears.
Bird nests come in all shapes and sizes; each one is a work of art, built with just a beak.
Explore the delicate balance of the interconnected lives of bears, trees, and salmon.
Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.
Examine unlikely cross-species relationships and what they suggest about animal emotions.
Feel the emotion as keepers and carers reunite with the wild animals they raised.
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