Return to the Sea: The Life and Evolutionary Times of Marine Mammals
Paperback
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Return to the Sea portrays the life and evolutionary times of marine mammals—from giant whales and sea cows that originated 55 million years ago to the deepdiving elephant seals and clameating walruses of modern times. This fascinating account of the origin of various marinemammal lineages—some extinct, others extant but threatened—is for the nonspecialist. Against a backdrop of geologic time and changing climates and geography, this volume takes evolution as its unifying principle to he...






















