An Introduction to Watching -- What Is a Cetacean? -- Life Cycle -- Communication -- Behavior -- Responsible Watching -- Where to Watch -- Conservation -- Identification -- Watching Whales, Dolphins, and Porpoises -- Watching Rorqual Whales -- Blue Whale -- Fin Whale -- Humpback Whale -- Sei Whale -- Bryde's Whale -- Minke Whale -- Watching Right and Gray Whales -- Bowhead Whale -- Southern and Northern Right Whales -- Gray Whale -- Watching Sperm Whales -- Sperm Whale -- Pygmy and Dwarf Sperm Whales -- Watching Beaked Whales -- Baird's and Arnoux's Beaked Whales -- Northern and Southern Bottlenose Whales -- Cuvier's Beaked Whale -- True's Beaked Whale -- Sowerby's Beaked Whale -- Blainville's Beaked Whale -- Watching White Whales -- Narwhal -- Beluga -- Watching Blackfish -- Killer Whale -- Long- and Short-Finned Pilot Whales -- False Killer Whale -- Watching Oceanic Dolphins without Prominent Beaks -- Risso's Dolphin -- White-Beaked Dolphin -- Atlantic White-Sided Dolphin -- Pacific White-Sided and Dusky Dolphins -- Hector's Dolphin -- Commerson's Dolphin -- Watching Oceanic Dolphins with Prominent Beaks -- Bottlenose Dolphin -- Striped Dolphin -- Common Dolphin -- Spotted Dolphin -- Northern and Southern Rightwhale Dolphins -- Long-Snouted Spinner Dolphin -- Tucuxi -- Watching River Dolphins -- Boto (Amazon River Dolphin) -- Baiji (Yangtze River Dolphin) -- Ganges and Indus River Dolphins -- Watching Porpoises -- Dall's Porpoise -- Harbor Porpoise -- Finless Porpoise.