Dynamic phenotypic correlates of social status and mating effort in male and female red junglefowl, <i>Gallus gallus</i>

Carleial, Rômulo; McDonald, Grant C.; Pizzari, Tommaso

doi:10.1111/jeb.13541

Cited by 12 publications

(13 citation statements)

References 132 publications

(232 reference statements)

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“…In other species, the avoidance of male harassment has also been shown to drive females to forage suboptimally [27]. In our study population, females exposed to higher rates of coerced mating attempts tend to lose more body mass over time [45]. In the present study, we observed that older females have lower fecundity and avoid males by spending more time perching.…”

Section: Discussionsupporting

confidence: 56%

“…Male sexual harassment of females is common, and females resist the majority of male sexual advances [41,42]. This harassment may result in costs to females, including reduced feeding opportunities, and extended struggles that are energetically costly, and which may reduce female fecundity and cause physical injury [42][43][44][45]. Male sexual harassment can influence female spatial distribution [43], suggesting the potential for female spatial and social structure to emerge as a response to male behaviour.…”

Section: Introductionmentioning

confidence: 99%

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Differential female sociality is linked with the fine-scale structure of sexual interactions in replicate groups of red junglefowl, Gallus gallus

et al. 2019

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Recent work indicates that social structure has extensive implications for patterns of sexual selection and sexual conflict. However, little is known about the individual variation in social behaviours linking social structure to sexual interactions. Here, we use network analysis of replicate polygynandrous groups of red junglefowl ( Gallus gallus ) to show that the association between social structure and sexual interactions is underpinned by differential female sociality. Sexual dynamics are largely explained by a core group of highly social, younger females, which are more fecund and more polyandrous, and thus associated with more intense postcopulatory competition for males. By contrast, less fecund females from older cohorts, which tend to be socially dominant, avoid male sexual attention by clustering together and perching on branches, and preferentially reproduce with dominant males by more exclusively associating and mating with them. Collectively, these results indicate that individual females occupy subtly different social niches and demonstrate that female sociality can be an important factor underpinning the landscape of intrasexual competition and the emergent structure of animal societies.

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Section: Discussionsupporting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Differential female sociality is linked with the fine-scale structure of sexual interactions in replicate groups of red junglefowl, Gallus gallus

et al. 2019

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“…We collected data from the literature encompassing seven studies totalling 60 mating datasets across seven species in both natural and artificial settings. Datasets included water striders 8 ( Aquarius remegis ), howler monkeys 77 ( Alouatta caraya ), squirrel monkeys 66 ( Saimiri oerstedi ), strawberry poison-dart frogs 78 ( Dendrobates pumilio ), Hawaiian swordtail crickets 79 ( Laupala cerasina ), jackdaws 80 ( Corvus monedula ) and red junglefowl, ( Gallus gallus ) 56 , 67 , 68 , 81 . We used datasets from a set of studies that had been compiled by a previously published review, which conducted a literature search to examine the mating patterns of multiple species 82 .…”

Section: Methodsmentioning

confidence: 99%

Disentangling the causes of temporal variation in the opportunity for sexual selection

et al. 2023

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In principle, temporal fluctuations in the potential for sexual selection can be estimated as changes in intrasexual variance in reproductive success (i.e. the opportunity for selection). However, we know little about how opportunity measures vary over time, and the extent to which such dynamics are affected by stochasticity. We use published mating data from multiple species to investigate temporal variation in the opportunity for sexual selection. First, we show that the opportunity for precopulatory sexual selection typically declines over successive days in both sexes and shorter sampling periods lead to substantial overestimates. Second, by utilising randomised null models, we also find that these dynamics are largely explained by an accumulation of random matings, but that intrasexual competition may slow temporal declines. Third, using data from a red junglefowl (Gallus gallus) population, we show that declines in precopulatory measures over a breeding period were mirrored by declines in the opportunity for both postcopulatory and total sexual selection. Collectively, we show that variance-based metrics of selection change rapidly, are highly sensitive to sampling durations, and likely lead to substantial misinterpretation if used as indicators of sexual selection. However, simulations can begin to disentangle stochastic variation from biological mechanisms.

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“…Most studies to date on female ornamentation have focused on species with monogamous or cooperative breeding mating systems. However, female ornamentation also exists in species with other mating systems such as those that form leks, including Indian peafowl ( Pavo cristatus ; Dakin, 2011) and red junglefowl (Carleial et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Other studies have found that female ornamentation functions during competition for food (Murphy, Rosenthal, et al, 2009; Ziegelbecker et al, 2018) and mating opportunities (Clutton‐Brock, 2009). In female red junglefowl ( Gallus gallus ), comb size is positively related to social status, which affects access to resources and reproductive success (Carleial et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Dominant females have brighter ornamentation in a sexually dimorphic lekking species

2021

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Males often exhibit elaborate ornamentation that contributes to their fitness.Similarly, females can also exhibit elaborate ornamentation, but we have a relatively limited understanding of its function. Recent studies have demonstrated that female ornamentation can function in both intrasexual competition and male mate choice, but few studies have been conducted on lekking species. We therefore investigated the possibility that female ornamentation provides information about the dominance status of the bearer, which could mediate intrasexual competition. We examined this possibility using Indian peafowl (Pavo cristatus), a sexually dimorphic lekking species in which females exhibit elaborate ornamentation in the form of iridescent green neck plumage. We tested whether female ornamentation predicts dominance status using an information theoretic model averaging approach. We found that females with brighter ornamentation are more socially dominant than females with darker ornamentation. These results suggest that female ornamentation in this species provides social information about the dominance status of the bearer. This study provides insight into the evolution of conspicuous female traits by suggesting a potential role for female ornamentation in intrasexual competition in a lekking species.

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Dynamic phenotypic correlates of social status and mating effort in male and female red junglefowl, Gallus gallus

Cited by 12 publications

References 132 publications

Differential female sociality is linked with the fine-scale structure of sexual interactions in replicate groups of red junglefowl, Gallus gallus

Differential female sociality is linked with the fine-scale structure of sexual interactions in replicate groups of red junglefowl, Gallus gallus

Disentangling the causes of temporal variation in the opportunity for sexual selection

Dominant females have brighter ornamentation in a sexually dimorphic lekking species

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