Half title -- Title -- Copyright -- Dedication -- Contents -- Acknowledgments -- Outline of the Present Volume -- Chapter 1. Introduction -- Chapter 2. Marine Ecology -- A Primer on Sea Ice As It Applies to Adélie Penguins -- At-Sea Range and Habitat -- Diet -- Prey Capture -- Foraging Behavior -- Foraging Cycles and Energetics -- How Much Prey Must Adélie Penguins Capture? -- Chapter 3. Breeding Populations -- Size and Distribution -- What Is a Penguin Colony? -- Adélie Penguin Colonies and Their Distribution in Antarctica -- Geographic Structure -- Factors Affecting the Distribution of Breeding Colonies -- Chapter 4. The Annual Cycle -- Colonial Nesting: Constraints and Advantages -- Timing of Nesting: General Considerations -- The Pattern of Colony Occupation -- Timing of Nesting: Geographic Variation -- Timing of Nesting: Effect of Age -- The Molt -- Further Thoughts About the Adélie Penguin's Annual Cycle -- Chapter 5. The Occupation Period -- Pair Formation, Egg Laying, and Incubation -- Age at First Breeding -- Nests and Territories -- Pair Formation and Retention -- Egg-Laying Date -- Eggs -- Incubation -- Hatching Success -- Further Thoughts -- Chapter 6. The Reoccupation Period -- Chicks and Breeding Success -- The Chick -- Phases of Parental Care -- Chick Survival -- Fledging -- Breeding Success -- What Breeding Patterns of Related Species Tell Us About Adélie Penguins -- Reproductive Effort: Age Versus Experience -- Chapter 7. Predation -- Killer Whale -- Leopard Seal -- South Polar Skua -- Chapter 8. Demography -- Why Three-Year-Olds Risk Breeding -- Fecundity -- Survivorship and Age Structure -- Why Is Breeding Deferred? -- The Balance of Demographic Variables -- Chapter 9. The Bellwether of Climate Change -- Trends in Adélie Penguin Populations -- Factors Explaining Population Trends -- Patterns Revealed in the Prehistoric Record.

Final Thoughts -- Literature Cited -- Index -- Illustrations.