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Nature
Alligator Versus Python
Alligators were once the undisputed reptile kings of the Everglades. But who would win a battle now -- alligator or python? It all depends on which one is bigger. "Invasion of the Giant Pythons" premieres Sunday, February 21, 2010 on PBS.
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55:12
Witness the springtime migrations of butterflies, birds, bison & bats.
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55:16
Celebrate spring in this live event broadcast from iconic locations across North America.
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52:59
Take a global tour of the most fascinating members of the modern horse club.
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53:29
Travel around the world to uncover the history of mankind’s relationship with the horse.
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
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52:55
Animals congregate in huge colonies partly out of necessity and partly for the security.
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52:55
Finding a good base of operations is key to successfully raising a family.
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52:55
The first in a three-part series about how animals build their remarkable homes.
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52:58
A biologist crosses the species divide and becomes part of a wild mule deer family.
