Follows the story of the longest, most torturous elephant migration on the planet. Living on the edge of the hot and dry Sahara Desert, the very margins of where elephants can survive, hundreds of elephants make a dangerous but necessary journey as their main source of food and water dries up and they must go in search of more. Battling 120-degree heat, sandstorms, and fierce thunderstorms, these amazing animals travel 35 miles a day in a race against...

Introduces animal migration and why some animals migrate, including the zebras in Botswana, the red crabs of Christmas Island, and the walruses in the Bering and Chukchi Seas.