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Sexual Selection and Static Allometry: The Importance of Function
Many spectacular cases of biological diversity are associated with sexual selection, and structures under sexual selection often show positive static allometry: they are disproportionately large forExpand
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The size of the red wing spot of the American rubyspot as a heightened condition-dependent ornament
We investigated an ornamental trait known to reflect male fighting ability and tested whether it shows heightened condition dependence compared with nonornamental traits in the American rubyspotExpand
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Effects of maternal care on the lifetime reproductive success of females in a neotropical harvestman.
1. Few studies have experimentally quantified the costs and benefits of female egg-guarding behaviour in arthropods under field conditions. Moreover, there is also a lack of studies assessingExpand
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Resource defense polygyny shifts to female defense polygyny over the course of the reproductive season of a Neotropical harvestman
Although studies classify the polygynous mating system of a given species into female defense polygyny (FDP) or resource defense polygyny (RDP), the boundary between these two categories is oftenExpand
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Contextualized niche shifts upon independent invasions by the dung beetle Onthophagus taurus
The historical contingencies of biological invasions may have important consequences for final invasion outcomes. Here, we characterize the variations in the realized niche during the invasions ofExpand
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Five new cases of paternal care in harvestmen (Arachnida: Opiliones): implications for the evolution of male guarding in the Neotropical family Gonyleptidae
In this paper, we present field observations on paternal care in five species of harvestmen belonging to the family Gonyleptidae and examine the extent to which the available data can be used to test a recent theory on the evolution of exclusive male care via sexual selection. Expand
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Secondary sexual traits increase male fitness, but may be maladaptive in females, generating intralocus sexual conflict that is ameliorated through sexual dimorphism. Sexual selection on males mayExpand
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Macroecology of Sexual Selection: A Predictive Conceptual Framework for Large-Scale Variation in Reproductive Traits*
Abiotic factors exert direct and indirect influences on behavioral, morphological, and life-history traits. Because some of these traits are related to reproduction, there is a causal link betweenExpand
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Conditional male dimorphism and alternative reproductive tactics in a Neotropical arachnid (Opiliones)
In arthropods, most cases of morphological dimorphism within males are the result of a conditional evolutionarily stable strategy (ESS) with status-dependent tactics. In conditionally male-dimorphicExpand
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Maternal effects on male weaponry: female dung beetles produce major sons with longer horns when they perceive higher population density
BackgroundMaternal effects are environmental influences on the phenotype of one individual that are due to the expression of genes in its mother, and are expected to evolve whenever females areExpand
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