Cover -- Title Page -- Copyright -- Contributors -- Chapter 1: Introduction -- References -- Chapter 2: Early Life-History Effects, Oxidative Stress, And The Evolution And Expression Of Animal Signals -- Introduction -- Signaling -- Early Life-History Effects and Resource Allocation Trade-Offs -- Oxidative Stress As a Mediator of Resource Allocation Trade-Offs -- Signals Expressed During Development -- Signals Expressed During Adulthood -- Competition-Dependent Sexual Signals -- Conclusions -- Acknowledgments -- References -- Chapter 3: A Performance-Based Approach to Studying Costs of Reliable Signals -- Introduction -- Receiver-Independent Costs -- Receiver-Dependent Costs -- Compensatory Traits -- Conclusions -- Acknowledgments -- References -- Chapter 4: Cognitively Driven Co-Option and the Evolution of Complex Sexual Displays in Bowerbirds -- Introduction -- Cognition, Co-Option, and Complex Display -- Delayed Male Maturity, Male-Male Courtship, and Display Trait Acquisition -- Female Signaling to Affect Male Display Intensity: An Innovation that Improves Courtship Success -- Mate Searching and Flexibility in Adaptive Decision-Making -- Female Uncertainty and Flexibility in Active Mate Assessment -- Long-Term Age-Related Improvement in Decoration Display: Symmetrical Decoration Displays on Older Males' Bowers -- Anticipation of Male Routes During Courtship: Paths on Display Courts of Spotted Bowerbirds -- Some Other Possible Cognitive Display-Related Behaviors of Bowerbirds -- Construction of Successive Scenes for Females Visiting the Bower -- Cognitive Aspects of Bower Building: Age-Related Improvement in Construction and Novel Techniques for Maintaining Symmetry -- Cognitive Flexibility and Innovation in Display -- Decoration Stealing: An Innovation for Display Trait Acquisition.

Cooperating with Relatives for Display: An Innovation to Reduce Sexual Competition -- Vocal Mimicry: Learning and Innovation in Use of Co-Opted Displays -- Co-Option Mechanism -- Cognition in Display Trait Acquisition -- References -- Chapter 5: Integrating Functional and Evolutionary Approaches to the Study of Color-Based Animal Signals -- Introduction -- Color Signal Production in More Detail -- Signals, Honesty, and Condition-Dependence -- Coloration as An Honest Advertisement -- Trinidadian Guppies (Poecilia reticulata) -- Pierid Butterflies (Subfamily Coliadinae) -- Birds -- Discussion/Conclusion/Future Work -- Acknowledgments -- References -- Chapter 6: Agonistic Signals: Integrating Analysis of Functions and Mechanisms -- Animal Contests and the Evolution of Agonistic Signals -- Empirical Approaches to Testing Theory: "Physiological Costs," "Stamina," and "Performance" -- Energy Status and Agonistic Signals -- Whole Body Performance and Agonistic Signals -- Conclusions -- References -- Chapter 7: Acoustic Signal Evolution: Biomechanics, Size, and Performance -- Introduction -- Biomechanics -- Body Size -- Performance -- Concluding Remarks -- Acknowledgments -- References -- Chapter 8: Dishonest Signaling During Aggressive Interactions: Theory and Empirical Evidence -- Introduction -- The Evolution of Signaling -- The Theory of Dishonesty -- Dishonest Signaling in Aggressive Interactions Between Conspecifics -- Conclusions -- References -- Chapter 9: Functional Approach to Condition -- Introduction -- Practical Approaches to Condition -- Condition and Animal Performance -- Condition and Mate Choice -- Summary -- References -- Index -- End User License Agreement.