"Zebras travel across the Kalahari Desert each spring in search of food. Whales swim to warmer water every winter. Take a journey to discover the wonders of migrating animals, including why they migrate and how far they travel"--Provided by publisher.
"Read about . . . animal migrations by air, from the . . . migration of the godwit between Alaska and New Zealand to the long-lasting journey of the monarch butterfly across North America. Facts and obstacles are highlighted, and a sidebar details how humans impact each migration"--Provided by publisher.