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by Annalisa Berta (Author), James L. Sumich (Illustrator), Carl Buell (Illustrator)
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 geography, this volume takes evolution as its unifying principle to help us to understand today's diversity of marine mammals and their responses to environmental challenges. Annalisa Berta explains current controversies and explores patterns of change now taking place, such as shifting food webs and predator-prey relationships, habitat degradation, global warming, and the effects of humans on marine-mammal communities.
Front Jacket
Over the past 55 million years, mammals have returned to the sea many times and in many places. Annalisa Berta leads readers through this parade of transitions, highlighting how marine mammals have met the evolutionary challenge of living an aquatic life in a variety of ways. Return to the Sea weaves ecology, anatomy, and evolution into an ideal entry point for anyone interested in knowing more about one of the most fascinating phenomena in macroevolution.--Nicholas D. Pyenson, National Museum of Natural History, Smithsonian Institution
Berta is to be congratulated. She drew on her vast knowledge of marine mammals and their evolution to write an excellent, readable introduction to the group, including the latest discoveries.--J.G.M. Thewissen, Northeast Ohio Medical University
This wide-ranging and up-to-date survey of marine mammal biology and evolution is a fine introduction to the subject for undergraduates and anyone interested in mammals of the sea.--Daryl P. Domning, Howard University
Back Jacket
Over the past 55 million years, mammals have returned to the sea many times and in many places. Annalisa Berta leads readers through this parade of transitions, highlighting how marine mammals have met the evolutionary challenge of living an aquatic life in a variety of ways. Return to the Sea weaves ecology, anatomy, and evolution into an ideal entry point for anyone interested in knowing more about one of the most fascinating phenomena in macroevolution.--Nicholas D. Pyenson, National Museum of Natural History, Smithsonian Institution
"Berta is to be congratulated. She drew on her vast knowledge of marine mammals and their evolution to write an excellent, readable introduction to the group, including the latest discoveries."--J.G.M. Thewissen, Northeast Ohio Medical University
"This wide-ranging and up-to-date survey of marine mammal biology and evolution is a fine introduction to the subject for undergraduates and anyone interested in mammals of the sea."--Daryl P. Domning, Howard University
Author Biography
Annalisa Berta is Professor Emerita in the Department of Biology at San Diego State University. She has served as the President of the Society of Vertebrate Paleontology, and as Associate Editor of the scientific journal Marine Mammal Science.
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