How to use this book The challenges of identification Introduction to the 14 cetacean families Information for working at sea Cetacean topography Barnacles to whale lice Quick ID Guides Bow-riding dolphins and porpoises Identifying whales by their flukes Identifying whales by their blows North Atlantic Ocean South Atlantic Ocean North Pacific Ocean South Pacific Ocean Indian Ocean Southern Ocean Right and bowhead whales (family Balaenidae) Pygmy right whale (family Neobalaeidae) Grey whale (family Eschrichtiidae) Rorquals (family Balaenopteridae) Sperm whales (families Physeteridae, Kogiidae) Narwhal and beluga (family Monodontidae) Beaked whales (family Ziphiidae) Blackfish (family Dolphinidae) Shorter-beaked oceanic dolphins (family Delphinidae) Longer-beaked oceanic dolphines (family Delphinidae) River dolphins (families Platanistidae, Iniidae, Pontoporiidae, Lipotidae) Porpoises (family Phocoenidae) Caring for whales, dolphins and porpoises Glossary Species checklist Conversion units Sources and resources Artists' biographies Acknowledgements Image credits.