Berta Annalisa - Return To The Sea The Life And Evolutionary Times Of Marine Mammals - Paperback Thesauri This item's title is: Internal

Berta Annalisa - Return To The Sea The Life And Evolutionary Times Of Marine Mammals - Paperback Thesauri This item's title is: InternalBinding: Paperback Description: 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 deep diving elephant seals and clam eating walruses of modern times. This fascinating account of the origin of various marine mammal lineages some extinct others extant but threatened is for the nonspecialist. Against a backdrop of geologic time and changing climates and

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