Sexual Conflict in Nonhuman Primates

Palombit, Ryne A.

doi:10.1016/b978-0-12-800286-5.00005-5

Cited by 22 publications

(17 citation statements)

References 429 publications

(537 reference statements)

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“…In many group-living animals there is a dominance hierarchy and dominant individuals usually have priority of access to resources (Drews, 1993). In terms of dominance between the sexes, females may benefit from dominating males for several reasons, for instance by: (A) suffering less sexual coercion (Smuts and Smuts, 1993;Muller and Wrangham, 2009;Surbeck and Hohmann, 2013;Palombit, 2014), (B) having more freedom in choosing mates (Soltis, 1999;Muller and Wrangham, 2009; but see Rosenblum and Nadler, 1971), (C) being able to protect their infants better against harassment by males (Smuts and Smuts, 1993;Muller and Wrangham, 2009). (D) having more opportunity to lead group movement, which may result in feeding priority (Waeber and Hemelrijk, 2003;Overdorff et al, 2005;Van Belle et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Dynamics of Intersexual Dominance and Adult Sex- Ratio in Wild Vervet Monkeys

et al. 2020

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Section: Introductionmentioning

confidence: 99%

Dynamics of Intersexual Dominance and Adult Sex- Ratio in Wild Vervet Monkeys

et al. 2020

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“…Currently, the costs of sexual conflict are not well understood, especially among long-lived mammals where fitness outcomes can take decades to assess (Aloise King et al 2013), and female counterstrategies may be in place (Palombit 2014). However, our results suggest that in bottlenose dolphins, males have a significant impact on female space use that likely impacts foraging behaviour and potentially fitness.…”

Section: Discussionmentioning

confidence: 69%

The ecological costs to females in a system with allied sexual coercion

et al. 2016

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Sexual coercion results from extreme conflict over mating. As a male strategy to overcome female resistance, coercion can impose fitness costs on females. Among mammals, most cases involve single males or temporary coalitions, with allied aggression towards females being rare. Among Shark Bay bottlenose dolphins (Tursiops cf. aduncus), male alliances harass, guard, and consort with females to obtain mating access, which has known physical costs to females. However, the behavioural and ecological costs of sexual coercion to females remain largely unexplored. Given the importance of individual differences in ranging and habitat use for dolphin foraging ecology, social networks, and fitness, we hypothesised that male coercion also imposes ecological costs on females. Using 25 years of longitudinal data, we examined how adult male presence relates to female space use and found that females (N = 32) altered their ranging when associating with adult males, but also when cycling. Additionally, females reduced use of their primary (preferred) habitat when with males, but cycling had no effect. Ranging shifts were slightly greater for males than for females when they were together, but only for females did this alter their spatial ecology. While it is also possible that males follow fertile females, and/or that females move to avoid males, the well-documented coercive mating system suggests that males, as part of their coercive mating tactics, sequester females to areas that females would not 3 otherwise occupy. Our results show that in a coercive mating system, males can alter females" basic behavioural ecology, and suggest that males spatially sequester individual females via allied consortships.

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“…A case in point concerns the suite of behaviors collectively known as male "sexual coercion" of females. Those aspects of sexual coercion that involve restricting multimale mating by females may be best understood as the male evolutionary response to promiscuity as a female counterstrategy to the male strategy of infanticide (Wolff and MacDonald 2004;Palombit 2014). Similarly, female promiscuity may have exerted selection on systems of sperm competition among males in some taxa, which in turn may have then "counter selected" for mechanisms of cryptic female choice (Kappeler 2012).…”

Section: Discussionmentioning

confidence: 99%

Infanticide as Sexual Conflict: Coevolution of Male Strategies and Female Counterstrategies

Palombit

2015

Cold Spring Harb Perspect Biol

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One of the earliest recognized forms of sexual conflict was infanticide by males, which imposes serious costs on female reproductive success. Here I review two bodies of evidence addressing coevolved strategies of males and females. The original sexual selection hypothesis arguing that infanticide improves male mating success by accelerating the return of females to fertilizable condition has been generally supported in some taxa-notably, some primates, carnivores, rodents, and cetaceans-but not in other taxa. One result of recent research has been to implicate other selective benefits of infanticide by males in various taxa from insects to birds to mammals, such as acquisition of breeding status or improvement of the female breeding condition. In some cases, however, the adaptive significance of male infanticide remains obscure. The second body of data I review is arguably the most important result of recent research: clarifying the possible female counterstrategies to infanticide. These potential counterstrategies span diverse biological systems, ranging from sexual behavior (e.g., polyandrous mating), to physiology (e.g., the Bruce effect), to individual behavior (e.g., maternal aggression), to social strategies (e.g., association with coalitionary defenders of either sex). Although much remains to be studied, these current data provide compelling evidence of sexually antagonistic coevolution surrounding the phenomenon of infanticide.

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Sexual Conflict in Nonhuman Primates

Cited by 22 publications

References 429 publications

Dynamics of Intersexual Dominance and Adult Sex- Ratio in Wild Vervet Monkeys

Dynamics of Intersexual Dominance and Adult Sex- Ratio in Wild Vervet Monkeys

The ecological costs to females in a system with allied sexual coercion

Infanticide as Sexual Conflict: Coevolution of Male Strategies and Female Counterstrategies

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