Introduction The Biology Phylogeny & Evolution Anatomy & Physiology Behavior Food & Foraging Life History Range Habitat Conservation & Management Identification Tools & Maps Identification Keys Surface Behaviors How & Where To Watch The Species Directory How to Use the Species Directory Right Whales Southern Right Whale North Atlantic Right Whale North Pacific Right Whale Bowhead Whale Pygmy Right Whale Rorqual Whales & Gray Whale Gray Whale Common Minke Whale Antarctic Minke Whale Sei Whale Bryde''s Whale Blue Whale Omura''s Whale Fin Whale Humpback Whale Oceanic Dolphins Commerson''s Dolphin Chilean Dolphin Heaviside''s Dolphin Hector''s Dolphin Long-Beaked Common Dolphin Short-Beaked Common Dolphin Pygmy Killer Whale Short-Finned Pilot Whale Long-Finned Pilot Whale Risso''s Dolphin Fraser''s Dolphin Atlantic White-Sided Dolphin White-Beaked Dolphin Peale''s Dolphin Hourglass Dolphin Pacific White-Sided Dolphin Dusky Dolphin Northern Right Whale Dolphin Southern Right Whale Dolphin Irrawaddy Dolphin Australian Snubfin Dolphin Killer Whale Melon-Headed Whale False Killer Whale Tucuxi Guiana Dolphin Indo-Pacific Humpback Dolphin Indian Humpback Dolphin Australian Humpback Dolphin Atlantic Humpback Dolphin Pantropical Spotted Dolphin Clymene Dolphin Striped Dolphin Atlantic Spotted Dolphin Spinner Dolphin Rough-Toothed Dolphin Indo-Pacific Bottlenose Dolphin Common Bottlenose Dolphin Sperm Whales Sperm Whale Pygmy Sperm Whale Dwarf Sperm Whale Narwhal & Beluga Narwhal Beluga Beaked Whales Arnoux''s Beaked Whale Baird''s Beaked Whale Northern Bottlenose Whale Southern Bottlenose Whale Longman''s Beaked Whale Sowerby''s Beaked Whale Andrews'' Beaked Whale Hubbs'' Beaked Whale Blainville''s Beaked Whale Gervais'' Beaked Whale Ginkgo-Toothed Beaked Whale Gray''s Beaked Whale Hector''s Beaked Whale Deraniyagala''s Beaked Whale Strap-Toothed Whale True''s Beaked Whale Perrin''s Beaked Whale Pygmy Beaked Whale Stejneger''s Beaked Whale Spade-Toothed Beaked Whale Shepherd''s Beaked Whale Cuvier''s Beaked Whale River Dolphins Baiji Franciscana Amazon River Dolphin Ganges River Dolphin Porpoises Narrow-Ridged Finless Porpoise Indo-Pacific Finless Porpoise Spectacled Porpoise Harbor Porpoise Vaquita Burmeister''s Porpoise Dall''s Porpoise Appendices Classification of Cetaceans Glossary Resources Notes on Contributors Index Acknowledgments.