Principles Of Animal Behaviour, 3e, Dugatkin Apr 2026

Using Hamilton’s Rule , the text explains why animals sometimes help others at a cost to themselves, often based on genetic relatedness (kin selection). Social Dynamics and Communication

Lee Alan Dugatkin’s Principles of Animal Behavior (3rd Edition) provides a comprehensive framework for understanding how and why animals act the way they do. The text organizes the vast complexity of the animal kingdom into three primary analytical lenses: , individual learning , and cultural transmission . By synthesizing these approaches, Dugatkin moves beyond simple observation to explain the underlying mechanisms of evolution and survival. The Three Foundations of Behavior Principles of Animal Behaviour, 3e, Dugatkin

Dugatkin highlights how animals alter their behavior within their own lifetime based on experience, such as a predator refining its hunting technique. Using Hamilton’s Rule , the text explains why

Dugatkin details the "battle of the sexes," focusing on mate choice, male-male competition, and the evolution of extravagant ornaments like the peacock’s tail. Dugatkin treats play not just as fun, but

Dugatkin treats play not just as fun, but as a critical period for developing physical and social skills needed for adulthood.

This is the bedrock of the text. It explains how traits that provide a reproductive advantage become more common over generations.

Dugatkin explores the physiological "machinery," such as how testosterone levels influence aggression or how brain structure relates to spatial memory in food-caching birds.