Many other animals of the world besides birds migrate for many different reasons. From whales to butterflies, this book explains to readers how animals, such as the salmon, the lemming, and the Canadian goose, follow paths that have been passed on for generations, helping their species survive. Full-color illustrations.

What Is Migration? 2001, Crabtree Publishing Company, New York, NY

ISBN-13: 9780865059658

Trade paperback

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What Is Migration? 2001, Turtleback Books

ISBN-13: 9780613508490

Turtleback School & Library edition

Hardcover

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