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Chapter 13 Opener: Weaver ants form superbly cooperative societies. 13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 1). 13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 2).
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Chapter 13 Opener: Weaver ants form superbly cooperative societies
13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 1)
13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 2)
13.2 Effect of removal of the top-ranked subordinate helper in a cooperatively breeding group
13.4 Competition for food is a cost of sociality in the fieldfare
13.12 A meerkat sentinel on the alert for approaching predators
13.14 Experimental demonstration of reciprocity in cotton-top tamarins (Part 1)
13.14 Experimental demonstration of reciprocity in cotton-top tamarins (Part 2)
13.17 A Belding’s ground squirrel gives an alarm call after spotting a terrestrial predator
13.20 Seasonal changes in prolactin concentrations in breeders and nonbreeding helpers (Part 1)
13.20 Seasonal changes in prolactin concentrations in breeders and nonbreeding helpers (Part 2)
13.21 Helpers at the nest help parents raise more siblings in the Florida scrub jay
13.22 Conditional reproductive tactics of female white-fronted bee-eaters (Part 1)
13.22 Conditional reproductive tactics of female white-fronted bee-eaters (Part 2)
13.23 Haplodiploid sex determination in Hymenoptera (Part 1)
13.23 Haplodiploid sex determination in Hymenoptera (Part 2)
13.23 Haplodiploid sex determination in Hymenoptera (Part 3)
13.26 The effect of relatedness on equality of reproductive opportunities
13.30 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 1)
13.30 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 2)
13.31 A sterile thrips soldier (right) next to a reproductive foundress female (left)
13.35 Fortress living space may provide an incentive against dispersal in many eusocial insects