"A masterful synthesis of anatomy, physiology, and behavior into a coherent exposition on the ways these highly specialized mammals make their living. . . . The book is a tremendous addition to the biologist's bookshelf and a 'must' for those who specialize in the study of these most fascinating mammals." Quarterly Review of Biology"Ewer's equal excellence as an ethologist and paleontologist gives her a better perspective on these subjects as well as their combination in 'paleoethology' than almost anyone." American Scientist"Ewer writes pleasantly and her text is refreshingly free of jargon,...