The Arctic tern flies a zig-zag route from the Arctic to Antarctica each year. Humpback whales migrate from cold polar feeding grounds to tropical seas to give birth. Whether to find food, warmer weather, or a safe place to have babies, these animals are on incredible missions of migration. Stunning artwork makes these epic nature journeys come alive. Translated into North American Spanish. Perfect for animal lovers and life science lessons. When Arctic waters get too cold, humpback whales migrate hundreds of miles south to look for a mate or to give birth. Then they travel back north again. Follow the incredible journey of a female humpback whale's migration from Alaska to the warm waters of Hawaii to give birth to a new calf in this narrative nonfiction picture book. Translated into North American Spanish. Author Lisa Amstutz and illustrator Howard Gray lend their scientific and creative expertise to this migration story, creating a book that will delight animal and nature lovers and support life science education. Includes a migration map, tips to protect animals and habitats, and a glossary.