Sexual selection and personality: Individual and group‐level effects on mating behaviour in red junglefowl

Roth, Allison M.; Dingemanse, Niels Jeroen; Nakagawa, Shinichi; McDonald, Grant C.; Løvlie, Hanne; Robledo‐Ruiz, Diana A.; Pizzari, Tommaso

doi:10.1111/1365-2656.13454

Cited by 18 publications

(10 citation statements)

References 120 publications

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“…Although there has been less attention on linking animal personality research to post-copulatory sexual selection (i.e. sperm competition, where ejaculates from different males compete for fertilizations [ 9 ], and cryptic female choice, where females influence the outcome of such contests [ 10 ]), recent work has reported that male behavioural traits such as boldness and exploration tendency can predict individual variation in sperm traits [ 11 ] and sperm competition intensity [ 12 ]. Together, this accumulating body of evidence suggests that male personality may play a role during both pre- and post-copulatory episodes of sexual selection, with potentially far-reaching fitness implications in polygamous species.…”

Section: Introductionmentioning

confidence: 99%

Personality, sperm traits and a test for their combined dependence on male condition in guppies

et al. 2022

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There is evidence that animal personality can affect sexual selection, with studies reporting that male behavioural types are associated with success during pre- and post-copulatory sexual selection. Given these links between personality and sexual traits, and the accumulating evidence that their expression can depend on an individual's dietary status (i.e. condition), a novel prediction is that changes in a male's diet should alter both the average expression of personality and sexual traits, and their covariance. We tested these predictions using the guppy Poecilia reticulata , a species previously shown to exhibit strong condition dependence in ejaculate traits and a positive correlation between sperm production and individual variation in boldness. Contrary to expectation, we found that dietary restriction—when administered in mature adult males—did not affect the expression of either behavioural (boldness and activity) or ejaculate traits, although we did find that males subjected to dietary stress exhibited a positive association between sperm velocity and boldness that was not apparent in the unrestricted diet group. This latter finding points to possible context-dependent patterns of covariance between sexually selected traits and personalities, which may have implications for patterns of selection and evolutionary processes under fluctuating environmental conditions.

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Section: Introductionmentioning

confidence: 99%

Personality, sperm traits and a test for their combined dependence on male condition in guppies

et al. 2022

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“…This implies that heterogeneous selection largely resulted from ecological processes independent of density yet to be determined. Here, social interactions inducing negative frequency-dependent selection may constitute a key mechanism contributing to the maintenance of variation (5). Forcefully investigating this idea requires large sample sizes for each social environment (here, each unique combination of plot and year) to accurately and precisely estimate phenotype frequencies.…”

Section: Discussionmentioning

confidence: 99%

“…This requires heterogeneous selection, either spatially, temporally, or spatiotemporally (e.g., within or among populations, habitats, or years) (3,4). Social environments may also play a key role by inducing negative frequency-dependent selection (5,6). Heterogeneous selection on repeatable individual variation in behavior has previously been demonstrated primarily within single populations sampled over limited numbers of years (7,8), thus limiting our understanding of the relative importance of spatial and temporal variation in selection.…”

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confidence: 99%

Heterogeneous selection on exploration behavior within and among West European populations of a passerine bird

Mouchet

Cole

Matthysen

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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Heterogeneous selection is often proposed as a key mechanism maintaining repeatable behavioral variation (“animal personality”) in wild populations. Previous studies largely focused on temporal variation in selection within single populations. The relative importance of spatial versus temporal variation remains unexplored, despite these processes having distinct effects on local adaptation. Using data from >3,500 great tits (Parus major) and 35 nest box plots situated within five West-European populations monitored over 4 to 18 y, we show that selection on exploration behavior varies primarily spatially, across populations, and study plots within populations. Exploration was, simultaneously, selectively neutral in the average population and year. These findings imply that spatial variation in selection may represent a primary mechanism maintaining animal personalities, likely promoting the evolution of local adaptation, phenotype-dependent dispersal, and nonrandom settlement. Selection also varied within populations among years, which may counteract local adaptation. Our study underlines the importance of combining multiple spatiotemporal scales in the study of behavioral adaptation.

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“…In species that are highly depredated, however, the fitness gains must clearly outweigh the survival costs of boldness to maintain bold behavior. Alternatively, different behavioral phenotypes can be favored under different environmental conditions, which may lead to similar fitness between behavioral phenotypes and fluctuations of phenotype frequencies in populations (Bergeron et al, 2013; Dingemanse et al, 2004; Nicolaus et al, 2016; Roth et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Fitness, risk taking, and spatial behavior covary with boldness in experimental vole populations

Eccard

Herde

Schuster

et al. 2022

Ecology and Evolution

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Individuals of a population may vary along a pace‐of‐life syndrome from highly fecund, short‐lived, bold, dispersive “fast” types at one end of the spectrum to less fecund, long‐lived, shy, plastic “slow” types at the other end. Risk‐taking behavior might mediate the underlying life history trade‐off, but empirical evidence supporting this hypothesis is still ambiguous. Using experimentally created populations of common voles (Microtus arvalis)—a species with distinct seasonal life history trajectories—we aimed to test whether individual differences in boldness behavior covary with risk taking, space use, and fitness. We quantified risk taking, space use (via automated tracking), survival, and reproductive success (via genetic parentage analysis) in 8 to 14 experimental, mixed‐sex populations of 113 common voles of known boldness type in large grassland enclosures over a significant part of their adult life span and two reproductive events. Populations were assorted to contain extreme boldness types (bold or shy) of both sexes. Bolder individuals took more risks than shyer ones, which did not affect survival. Bolder males but not females produced more offspring than shy conspecifics. Daily home range and core area sizes, based on 95% and 50% Kernel density estimates (20 ± 10 per individual, n = 54 individuals), were highly repeatable over time. Individual space use unfolded differently for sex‐boldness type combinations over the course of the experiment. While day ranges decreased for shy females, they increased for bold females and all males. Space use trajectories may, hence, indicate differences in coping styles when confronted with a novel social and physical environment. Thus, interindividual differences in boldness predict risk taking under near‐natural conditions and have consequences for fitness in males, which have a higher reproductive potential than females. Given extreme inter‐ and intra‐annual fluctuations in population density in the study species and its short life span, density‐dependent fluctuating selection operating differently on the sexes might maintain (co)variation in boldness, risk taking, and pace‐of‐life.

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Sexual selection and personality: Individual and group‐level effects on mating behaviour in red junglefowl

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 18 publications

References 120 publications

Personality, sperm traits and a test for their combined dependence on male condition in guppies

Personality, sperm traits and a test for their combined dependence on male condition in guppies

Heterogeneous selection on exploration behavior within and among West European populations of a passerine bird

Fitness, risk taking, and spatial behavior covary with boldness in experimental vole populations

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