Transcript Animal Behavior, 9e

Figure 13.1 Energy budget of subordinate, nonbreeding “helpers” that associate with breeding
pairs in the cichlid fish Neolamprologus pulcher
Figure 13.2 Effect of removal of the top-ranked subordinate helper in a cooperatively breeding
group of cichlid fish
Figure 13.4 Competition for food is a cost of sociality in the fieldfare
Brown and Brown 1986
Figure 13.5 Effect of parasites on cliff swallow nestlings
Figure 13.6 Social living with defensive benefits?
Figure 13.7 Mutual defense in a society of bluegills
Gross and MacMillan 1981
Figure 13.8 The different categories of helping behavior
Figure 13.9 Cooperation among competitors
Greene et al 2000
Greene et al. 2000
Figure 13.12 A meerkat sentinel on the alert for approaching predators
Figure 13.13 Experimental demonstration of reciprocity in cotton-top tamarins
Figure 13.14 The prisoner’s dilemma
Wilkinson 1990
Wilkinson 1984
Figure 13.15 The components of selection and fitness
Figure 13.16 Sibling pairs of the cichlid fish Pelivicachromis taeniatus cooperate more than
unrelated males and females when it comes to guarding a nest containing their eggs
Figure 13.17 A Belding’s ground squirrel gives an alarm call after spotting a terrestrial predator
Figure 13.18 Altruism and relatedness in pied kingfishers
Figure 13.24 Cooperative breeding in African starlings is associated with species that live in
savanna grasslands
Figure 13.25 Haplodiploid sex determination in Hymenoptera
Figure 13.27 Are workers in social insect colonies forced to be altruistic? (Part 1)
Figure 13.27 Are workers in social insect colonies forced to be altruistic? (Part 2)
Figure 13.33 Foundress females and workers of the paper wasp Polistes metricus have a similar
pattern of gene activity, whereas future reproductives and queens exhibit very different patterns
Figure 13.34 Eusociality has an evolutionary history
Figure 13.36 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 1)
Figure 13.36 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 2)
Figure 13.40 Indirect selection and the origin of eusociality in the Hymenoptera