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Sexual Selection and the Barn Swallow
Models of sexual selection and monogamy the study organism male mating advantages benefits of mate choice determinants of tail ornament size advantages of early arrival options for unmated malesExpand
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Sperm competition in birds : evolutionary causes and consequences
Birds as vehicles for sperm competition avian mating systems and sperm competition male and female reproductive systems and the fertile period sperm precedence and mechanisms of sperm competitionExpand
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Why have birds got multiple sexual ornaments?
SummaryMales of many animals have more than a single exaggerated secondary sexual character, but inter-specific variability in the number of ornaments has never been explained. We examine threeExpand
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Sperm competition and sexual selection
General Themes: G.A. Parker, Sperm Competition and the Evolution of Ejaculates: Towards a Theory Base. A.P. Moller, Sperm Competition and Sexual Selection. W.G. Eberhard, Female Roles in SpermExpand
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Sperm Competition in Fishes: The Evolution of Testis Size and Ejaculate Characteristics
Fishes show one of the widest ranges of sperm competition intensity of any animal group. Here we present a comparative study whose aim is to investigate the effect of relative intensity of spermExpand
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Stressed mothers lay eggs with high corticosterone levels which produce low-quality offspring.
Organisms frequently encounter stressful ecological conditions. In vertebrates, a major mechanism of physiological response to stress is mediated by the hypothalamic-pituitary-adrenal axis andExpand
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Assessing the impact of climate variation on survival in vertebrate populations
The impact of the ongoing rapid climate change on natural systems is a major issue for human societies. An important challenge for ecologists is to identify the climatic factors that drive temporalExpand
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Good-genes effects in sexual selection
The magnitude of the effect of good genes as a viability benefit accruing to choosy females remains a controversial theoretical and empirical issue. We collected all available data from theExpand
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A resolution of the lek paradox
Sexual traits are usually more phenotypically variable than non-sexual traits. We show that additive genetic variation is also higher in sexual traits, and often greater than in the same,Expand
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