Figure 8.1 Killing the Cub

Figure 8.2 Females That Fight to Mate with Choosy Male

Figure 8.3 An Adaptive Behavioral Response

Figure 8.3 An Adaptive Behavioral Response

Figure 8.4 Distinctive Mouse Burrows

Figure 8.5 The Genetics of Escape Tunnel Construction

Figure 8.5 The Genetics of Escape Tunnel Construction

Figure 8.6 Conceptual Model of Optimal Foraging

Figure 8.6 Conceptual Model of Optimal Foraging

Figure 8.7 Effect of Profitability on Food Selection

Figure 8.7 Effect of Profitability on Food Selection

Figure 8.8 The Marginal Value Theorem

Figure 8.8 The Marginal Value Theorem

Figure 8.9 Effect of Travel Time between Patches

Figure 8.9 Effect of Travel Time between Patches

Figure 8.10 Elk Change Where They Feed in Response to Wolves

Figure 8.10 Elk Change Where They Feed in Response to Wolves

Figure 8.11 Movement Responses of Male and Female Elk

Figure 8.12 Young Receive Less Food When Parents Fear Predators

Figure 8.12 Young Receive Less Food When Parents Fear Predators

Figure 8.13 Examples of Antipredator Behaviors

Figure 8.14 A Male Shows Off

Figure 8.15 A Male Courtship Dance

Figure 8.16 Males with Long Tails Get the Most Mates

Figure 8.17 Mating Preferences of Female Stalk-Eyed Flies

Figure 8.17 Mating Preferences of Female Stalk-Eyed Flies

Table 8.1

Table 8.2

Figure 8.18 Ecological Factors Can Affect the Potential for Polygyny

Figure 8.18 Ecological Factors Can Affect the Potential for Polygyny

Figure 8.19 A Formidable Defense

Figure 8.20 Safety in Numbers

Figure 8.20 Safety in Numbers

Figure 8.21 Traveling in a Group

Figure 8.22 Should a New Arrival Join the Group?

Figure 8.22 Should a New Arrival Join the Group?

Figure 8.23 Fruit Flies Medicate Their Offspring

Figure 8.23 Fruit Flies Medicate Their Offspring

Figure 8.24 Costs of Fear