Back to Show
Nature
Dogs That Changed the World (Part 1) - Preview
Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011
Support Provided By

Unlock with PBS Passport
53:10
NATURE enters the secret world of the harpy eagle.

53:10
What happens to nature after a nuclear accident?

Unlock with PBS Passport
52:30
The strange and spectacular birds of paradise.

Unlock with PBS Passport
53:10
The true story that inspired "Born Free".

Unlock with PBS Passport
53:10
Azzam Alwash is making an effort to return life to the paradise he remembers.

Unlock with PBS Passport
53:10
A look back at this remarkable animal.

Unlock with PBS Passport
52:59
Scientists aim to change the public perception of one of Africa's most dangerous snakes.

Unlock with PBS Passport
53:10
Florida's Everglades National Park is home to a growing number of Burmese pythons.

Unlock with PBS Passport
53:10
In Yellowstone National Park, two predators reign supreme: the grizzly bear and the wolf.

Unlock with PBS Passport
53:11
CINE Golden Eagle Award Winner: Hummingbirds spend most of their lives in fast forward.

Unlock with PBS Passport
53:10
The black mamba is one of Africa's most dangerous and feared snakes.

Unlock with PBS Passport
53:10
The returning saga of Cloud, the wild stallion.