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Gray whales migrate farther than any mammal on earth. Their round trip journey of 10,000 miles takes them from summer feeding grounds in the Arctic to winter birthing grounds in Mexico's Baja Peninsula—and back again. Through photos and text, this selection invites you to join these magnificent sea mammals in their annual cycle. You'll be ready and eager to embark on the real-world, real-time journey tracking this year's spirng migration!