Great migrations.

Takes viewers around the world on the arduous journeys millions of animals undertake to ensure the survival of their species. Shot from land and air, in trees and cliff-blinds, on ice floes and underwater, this collection tells the formidable, powerful stories of many of the planet`s species and the...

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Bibliographic Details

Corporate Author:	National Geographic Society (U.S.)
Other Authors:	Baldwin, Alec, 1958-
Format:	Video Blu-ray Disc
Language:	English
Language Notes:	In English with English subtitles (English SDH).
Published:	[United States] : National Geographic, 2010.
Subjects:	Animal migration. Documentary television programs. Nature television programs. Feature films. Video recordings for the hearing impaired.