Perspectives in Ethology

1 Pattern and Adaptation in Individual Behavioral Differences.- I. Abstract.- II. Introduction.- III. Semantic Issues.- IV. The Occurrence and Form of Individuality.- V. Adaptation and the Process of Differentiation.- VI. Acknowledgments.- VII. References.- 2 Alternative Reproductive Tactics in Birds: Individual Variation in Clutch Size.- I. Abstract.- II. Introduction.- III. Hypotheses to Account for Clutch Size Variation.- IV. Evaluation of the Evidence.- V. Conclusions Regarding the Three Hypotheses.- VI. Discussion.- VII. Acknowledgments.- VIII. References.- 3 Critique of Helping Behavior in Birds: A Departure from Functional Explanations.- I. Abstract.- II. Introduction.- III. Criticisms and Alternatives.- IV. Discussion.- V. Acknowledgments.- VI. References.- 4 On the Evolution of Density-Regulating Behavior.- I. Abstract.- II. Introduction.- III. The Haystack Model.- IV. Breeding Site Limitation.- V. Habitat Selection in the Nonbreeding Season.- VI. Population Dynamics.- VII. Discussion of Model Assumptions.- VIII. Wynne Edwards Theory Reconsidered.- IX. Acknowledgment.- X. References.- 5 The Evolutionary Dynamics of Mixed Mating Systems: On the Adaptive Value of Selfing and Biparental Inbreeding.- I. Abstract.- II. Introduction.- III. Determination of the Adaptive Value of Selfing.- IV. Three Regular Systems of Biparental Inbreeding.- V. Discussion.- VI. Appendix A.- VII. Appendix B.- VIII. Appendix C.- IX. Acknowledgments.- X. References.- 6 The Experience of Experience: An Exogenetic Program for Social Competence.- I. Abstract.- II. Introduction: The Bird of Paradox.- III. Methods of Inquiry: Functional Metrics of Communication.- IV. Male Inheritance: An Embarassment of Riches?.- V. Female Cowbirds: Like Mother, Like Daughter.- VI. Male Modifiability: Behind Closed Doors.- VII. The Female: A Connoisseur of Fine Song.- VIII. Population Comparisons: The Perspective from the Prairie.- IX. General Perspectives: Exogenetic Programs for Development.- X. A Final