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14 of the greatest animal migrations

By: Bryan Nelson on Sept. 27, 2010, 9 a.m.
A herd of wildebeest

Photo: GJohnson2/iStockphoto

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On the move

Massive animal migrations are among nature's most inspiring events. Whether by wing, fin or hoof, the distance some creatures travel in search of a new habitat is paralleled only by what they endure to survive.

Migrations also play a vital role in our natural ecosystems — they are the veins and arteries of Mother Earth — and they are a reminder that the world's habitats are interconnected. Here's our list of the planet's greatest migrations. (Text: Bryan Nelson)