Contents
[INTRODUCTION] 1 [TWO GENERAL MIGRATION ROUTES] 2 [WHALE WATERS—SUMMER AND WINTER] 5 [FEEDING—FILTER WHALES] 6 [EVOLUTION OF WHALES] 10 [Breathing Adaptations] 10 [Swimming Adaptations] 11 [WHALE TYPES] 15 [Porpoises and Dolphins] 15 [Squid Eaters] 18 [Filter Whales] 18 [SIGNIFICANCE OF BLUBBER] 19 [Heat Conservation] 19 [Buoyancy] 20 [Food Storage] 20 [SEXUAL MATURITY] 21 [LIFE SPAN] 21 [WHALE INTELLIGENCE] 23 [WHALE SENSES] 23 [Sight] 23 [Hearing] 23 [Smell] 24 [HABITS] 24 [ENEMIES] 25 [Killer Whales] 25 [Parasites] 25 [WHALE ABNORMALITIES] 26 [INADEQUATE KNOWLEDGE OF WHALES] 26 [CALIFORNIA GRAY WHALE] 28 [Evolutionary Place] 28 [Geographic Distribution] 29 [Shore Habits] 30 [Scientific Description] 31 [Reaction to Whaling] 33 [How Do They Sleep?] 33 [Migration Groupings] 34 [Breaching] 35 [WHALING] 36 [Whalers As Explorers] 37 [Prehistoric Whaling] 37 [Historic Whaling] 39 [Modern Whaling] 42 [EXAMPLE OF UNREGULATED WHALING] 47 [California Gray Whale] 47 [GRAY WHALE PROTECTED] 48 [VALUE OF GRAY WHALE] 48 [Esthetic] 48 [Scientific] 49 [Commercial] 49 [NATURAL POPULATION CONTROLS] 51 [CURRENT SCIENTIFIC INQUIRY] 52 [Life Expectancy] 52 [Age Determination] 52 [Distribution and Population Rise] 53 [APPENDIX] 55
Migration routes of the California gray whale. The Korean herd may now be extinct.