Contents -- Preface -- I Anatomy and Senses -- 1 The Brain -- 2 Sound Production and Sound Reception in Delphinoids -- 3 Ecology and Evolution of Dolphin Sensory Systems -- II Dolphin Communication -- 4 Dolphin Societies -- 5 Analyzing the Acoustic Communication of Dolphins -- 6 Making Sense of It All -- III Dolphin Cognition -- 7 Experimental Studies of Dolphin Cognitive Abilities -- 8 How Do Dolphin Calves Make Sense of Their World? -- IV Future Directions of Dolphin Research -- 9 The Cognitive Ecology of Dolphin Social Engagement -- 10 Whales, Dolphins, and Ethics -- 11 Visions of the Future -- Contributors -- Index.