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"Planet Earth" airs Sundays on the Discovery Channel between March 25 and April 22. To film the series, its creators used more than 70 camera operators spent over 2,000 days in the field. Watch samples of the result:

Male birds of paradise use "a cross between ballet and boogie" to attract females.

Penguins in a hurry head toward Antarctica's solid ice for breeding season.

A great white shark makes supper out of an unsuspecting seal.
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