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Plant Self-Defense

1m 8s
To protect against herbivores the wild tobacco plant deposits trichomes, sweet treats irresistible to but also potentially fatal for leaf-eating caterpillars. Shortly after ingesting the trichomes, the insect releases a particular odor that attracts ground-foraging predators. "What Plants Talk About" premieres Wednesday, April 3 at 8/7c on PBS (check local listings).
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Cold Warriors: Wolves and Buffalo Preview

30s
In Canada's vast plains, the biggest buffalo and wolves in the world do battle. Here, one wolf pack struggle to maintain the family business: bringing down buffalo. "Cold Warriors" airs Wednesday, February 13 at 8 PM (check local listings).
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Wolves Hunting Buffalo

3m 20s
Breathtaking footage of a wolf pack going after a herd of bison in Canada's Wood Buffalo National Park. "Cold Warriors: Wolves and Buffalo" premieres February 13, 2013 at 8/7c (check local listings).
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Whales for Future Generations

1m 41s
Sir David Attenborough on the anti-whaling campaigns of the mid-late 20th century that changed our consciousness, and ushered in an era of commitment to save these incredible marine mammals from extinction.
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Saving the Mountain Gorilla

2m 6s
Before David Attenborough left Zoologist Dian Fossey's camp in the Virunga National Park, he promised to help her in her efforts to save the mountain gorilla populations. He joined with other conservationists to create the Mountain Gorilla Fund. "Attenborough's Life Stories: Our Fragile Planet" premieres February 6, 2013 at 8/7c (check local listings).
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Alongside Greylag Geese

1m 22s
Sir David Attenborough accompanies an imprinted family of Greylag geese in flight. "Attenborough's Life Stories: Understanding the Natural World" premieres January 30 at 8/7c (check local listings).
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Attenborough's Life Stories: Life on Camera Extended Preview

1m
For 60 years, one man devoted his life to understanding and documenting the natural world. The first hour of this 3-part series looks at the developments in wildlife filmmaking that led to remarkable revelations about our planet and the creatures that inhabit it. "Attenborough's Life Stories: Life on Camera" premieres Wednesday, January 23 at 8/7c (check local listings).
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Revealing Kestrel Flight

1m 25s
Kestrels are known as wind hoverers because of the birds' ability to hang motionless in the air. Sir David Attenborough shows us, using slow motion photography, details of their flying technique that we can't see with the naked eye. "Attenborough's Life Stories: Life on Camera " premieres Wednesday, January 23 at 8/7c.
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Warm Ducks in the Cold Arctic

1m 22s
Even in the depths of the Arctic winter, Common Goldeneyes stay a toasty 105 degrees inside their dense feathers. Their challenge is to prevent all that warmth from escaping into the icy water through their naked legs and bid, webbed feet. "An Original DUCKumentary" premieres Wednesday, November 14, 2012 at 8/7c (check local listings).
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An Original DUCKumentary Preview

30s
Masters of the water and air, they have conquered the globe. From deft dabblers to great divers, these are one of the Animal Kingdom's ultimate athletes. Take a fascinating look at one of our most familiar birds. An Original DUCKumentary airs November 27 at 9/8c (check local listings).
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Jumping Duckling

1m 19s
A young wood duckling jumps from its tree nest to reach its mother. It's just the second day of her life. She can't fly. But she can see the land far below, and hear her mother's calls. Maybe courage comes from necessity. Maybe it comes in knowing from birth exactly what to do. "An Original DUCKumentary" premieres November 14 at 8/7c (check local listings).
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Fixing Your Feathers

1m 19s
A look at all that's entailed in getting those duck feathers just right. "An Original DUCKumentary" premieres Wednesday, November 14, 2012 at 8/7c (check local listings).
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Animal Odd Couples Preview

31s
A goat and a horse are inseparable for 16 years. A dog befriends a wild deer. It's time to challenge the notion that only humans form lasting friendships. Animal Odd Couples premieres November 7 at 8/7c (check local listings).
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Studying the Emotional Lives of Animals

3m 47s
Dr. Marc Bekoff, former Professor of Ecology and Evolutionary Biology at the University of Colorado featured in Animal Odd Couples, talks about the scientific study of animal emotions, animal friendships, and the elements of the brain that allow for such bonds to form.
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The Benefits of Friendship

1m 40s
Primatologist and evolutionary biologist Dr. Lauren Brent discusses her research on the social behavior of nonhuman primates and the benefits of friendship. "Animal Odd Couples" premieres Wednesday, November 7, 2012 at 8/7c (check local listings).
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Young Birds of Prey

1m 5s
Someday these young snowies will be skilled predators, but not today. "Magic of the Snowy Owl" premieres Wednesday, October 24 at 8/7c (check local listings).
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