Rapid dynamic colour change is an intrasexual signal in a lek breeding frog (Litoria wilcoxii)

Kindermann, Christina; Hero, Jean‐Marc

doi:10.1007/s00265-016-2220-1

Cited by 18 publications

(21 citation statements)

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“…In many species with neurophysiologically mediated dynamic colour change, such as chameleons, conspicuous display coloration has evolved for social reasons via sexual selection and dynamic colour change allows animals to respond to a social or predatory cue by adjusting their signal according to a potential receiver's visual system (Stuart‐Fox et al ., , ; Stuart‐Fox & Moussalli, ). By contrast, dynamic colour change in frogs is slower because it is hormonally mediated (but see Kindermann et al ., ) and is typically studied in the context of camouflage and thermoregulation (Camargo et al ., ; Tattersall et al ., ); however, studies in species with ephemeral colour differences between the sexes (dynamic sexual dichromatism) indicate that dynamic colour change in frogs may also evolve for social purposes via sexual selection (Wells, ; Ries et al ., ; Doucet & Mennill, ; Sztatecsny et al ., , ; Rehberg‐Besler et al ., ; Kindermann & Hero, ).…”

Section: Introductionmentioning

confidence: 98%

“…), the European moor frog ( Rana arvalis ) and the yellow toad ( Incilius luetkenii ), indicate that temporary divergence in coloration between the sexes prevents costly mistakes in sex recognition when males seek females in aggregations with male‐biased operational sex ratios and scramble competition for mates (Doucet & Mennill, ; Sztatecsny et al ., ; Rehberg‐Besler et al ., ). Similarly, in lek‐breeding stony creek frogs ( Litoria wilcoxii ), yellow coloration in males during amplexus serves as an intrasexual signal that may diminish sperm competition or displacement by other males (Kindermann & Hero, ). By contrast, male Trinidad poison frogs ( Mannophryne trinitatis ) turn black while calling and this colour change appears to play a role in dominance interactions in these highly territorial frogs (Wells, ).…”

Section: Introductionmentioning

confidence: 99%

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Breeding biology and the evolution of dynamic sexual dichromatism in frogs

Bell

Webster

Whiting

2017

J of Evolutionary Biology

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Dynamic sexual dichromatism is a temporary colour change between the sexes and has evolved independently in a wide range of anurans, many of which are explosive breeders wherein males physically compete for access to females. Behavioural studies in a few species indicate that dynamic dichromatism functions as a visual signal in large breeding aggregations; however, the prevalence of this trait and the social and environmental factors underlying its expression are poorly understood. We compiled a database of 178 anurans with dynamic dichromatism that include representatives from 15 families and subfamilies. Dynamic dichromatism is common in two of the three subfamilies of hylid treefrogs. Phylogenetic comparative analyses of 355 hylid species (of which 95 display dynamic dichromatism) reveal high transition rates between dynamic dichromatism, ontogenetic (permanent) dichromatism and monochromatism reflecting the high evolutionary lability of this trait. Correlated evolution in hylids between dynamic dichromatism and forming large breeding aggregations indicates that the evolution of large breeding aggregations precedes the evolution of dynamic dichromatism. Multivariate phylogenetic logistic regression recovers the interaction between biogeographic distribution and forming breeding aggregations as a significant predictor of dynamic dichromatism in hylids. Accounting for macroecological differences between temperate and tropical regions, such as seasonality and the availability of breeding sites, may improve our understanding of ecological contexts in which dynamic dichromatism is likely to arise in tropical lineages and why it is retained in some temperate species and lost in others.

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Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Breeding biology and the evolution of dynamic sexual dichromatism in frogs

Bell

Webster

Whiting

2017

J of Evolutionary Biology

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“…For instance, the striking sexual dichromatism in Eclectus parrots results from intrasexual competition to attract mates and intersexual differences in exposure to visual predators (Heinsohn et al 2005). Likewise, the dynamic sexual dichromatism in frogs that form large breeding aggregations may serve to identify other competing males rather than to attract mates (Sztatecsny et al 2012; Kindermann & Hero 2016; Bell et al 2017b). Consequently, investigating the evolution of secondary sexual characters like dichromatism across ecologically diverse taxonomic groups is essential if we aim to generalize about the function of sexually dimorphic traits and better understand the roles of natural and sexual selection in biological diversification.…”

Section: Introductionmentioning

confidence: 99%

Sexual Dichromatism Drives Diversification Within a Major Radiation of African Amphibians

Portik

Bell

Blackburn

et al. 2018

Preprint

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4République du Congo Theory predicts that sexually dimorphic traits under strong sexual selection, particularly those resulting in more ornate coloration in females than in males. We produce a robust phylogeny of 8 9Afrobrachia to investigate the evolutionary origins of sexual dichromatism in this radiation and 9 0 examine whether the presence of dichromatism is associated with increased rates of net 9 1 . CC-BY-NC-ND 4.0 International license It is made available under a was not peer-reviewed) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity.The copyright holder for this preprint (which . http://dx.doi.org/10.1101/372250 doi: bioRxiv preprint first posted online Jul. 22, 2018; 5 diversification. We find that sexual dichromatism evolved once within hyperoliids and was 9 2 followed by numerous independent reversals to monochromatism. We detect significant 9 3 diversification rate heterogeneity in Afrobatrachia and find that sexually dichromatic lineages 9 4 have double the average net diversification rate of monochromatic lineages. By conducting trait 9 5 simulations on our empirical phylogeny, we demonstrate our inference of trait-dependent 9 6 diversification is robust. Although sexual dichromatism in hyperoliid frogs is linked to their 9 7 rapid diversification and supports macroevolutionary predictions of speciation by sexual 9 8 selection, the function of dichromatism in reed frogs remains unclear. We propose that reed frogs 9 9 are a compelling system for studying the roles of natural and sexual selection on the evolution of 1 0 0 sexual dichromatism across both micro-and macroevolutionary timescales.

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“…Males from some anuran and fish species, for example, temporarily change color or pattern based on their reproductive success or outcomes from male–male interactions (Doucet & Mennill, ; Korzan, Robison, Zhao, & Fernald, ; Sköld, Aspengren, & Wallin, ). Although this appears to be less common than static signals, this situation raises important questions of signal function in intraspecies interactions (Kindermann & Hero, ; Kodric‐Brown, ; Rhodes & Schlupp, ). One such question is how one state evolves into the other and the evolutionary transition between states.…”

Section: Introductionmentioning

confidence: 99%

“…This highlights that many signals have evolved dual functions: They can simultaneously attract females and function in male–male competition (Hunt, Breuker, Sadowski, & Moore, ; Kindermann & Hero, ). A relevant example of this is found in several species of northern swordtails, including Xiphophorus cortezi , which prominently display vertical bars.…”

Section: Introductionmentioning

confidence: 99%

Social function of a variable lateral stripe in Xiphophorus hellerii?

2017

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In a single population of a livebearing fish, the green swordtail (Xiphophorus hellerii), a trait considered a static badge of status in males of other populations, the color of a stripe covering the lateral line, has been found to be dynamic relative to their social environment, potentially rendering this signal meaningless. Males change the color expression of their lateral stripe dynamically based on social environment. We investigated if males (n = 26) respond to visual and chemical information about other males with a color change and aggressive behavior. We found that visual information is indeed causing color change, whereas chemical information is less effective. Aggressive responses and frequency of response did not change significantly with the mode of communication. We also studied female preferences for color, but found no significant preference (n = 32). Our results lead to questions as to how interpopulation variation can affect preferences and how dynamic signaling—in this case signal transmission presumably dependent on sex and/or status—influences the behavioral interactions we might expect between X. hellerii in the field.

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Rapid dynamic colour change is an intrasexual signal in a lek breeding frog (Litoria wilcoxii)

Cited by 18 publications

References 50 publications

Breeding biology and the evolution of dynamic sexual dichromatism in frogs

Breeding biology and the evolution of dynamic sexual dichromatism in frogs

Sexual Dichromatism Drives Diversification Within a Major Radiation of African Amphibians

Social function of a variable lateral stripe in Xiphophorus hellerii?

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