Data from: Maternal condition and previous reproduction interact to affect offspring sex in a wild mammal

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DOI：

doi:10.5061/dryad.q7c24

摘要：

. We analysed 39 years of data on bighorn sheep (Ovis canadensis) that fit all the assumptions of the Trivers–Willard hypothesis. Production of sons increased

Data from: Female-female competition leads to female-biased sex allocation and dimorphism in brood sex composition in a gall-forming aphid

负责人：

Akimoto, Shinichi

关键词：

fighting sex ratio Trivers–Willard hypothesis local mate competition local resource competition

DOI：

doi:10.5061/dryad.vk002fn

摘要：

–Willard hypothesis. Thus, we predicted that more fecund mothers in this species would invest more in females. 4.The cost of producing one female

Data from: Paternal reproductive success drives sex allocation in a wild mammal

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paternity analysis;male quality;Ovis canadensis;Trivers-Willard hypothesis;maternal resource allocation;Sex ratio

DOI：

doi:10.5061/dryad.tn4t3

摘要：

Parents should bias sex allocation toward offspring of the sex most likely to provide higher fitness returns. Trivers and Willard proposed tha

Data from: Drivers of sex ratio bias in the eastern bongo: lower inbreeding increases the probability of being born male

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genetic quality;male effects;Sex-ratio;Trivers and Willard hypothesis;Inbreeding;sex allocation;Tragelaphus eurycerus isaaci

DOI：

doi:10.5061/dryad.j64t6q9

摘要：

e capable of biasing offspring sex ratios, and neglected fathers given the expectation of an equal proportion of X- and Y-chromosome bearing sperm (CBS

Data from: Cross-fostering eggs reveals that female collared flycatchers adjust clutch sex ratios according to parental ability to inves

负责人：

Krist, Milo?

关键词：

Sexual Selection Behavior/Social Evolution Birds Population Ecology Sex Allocation Egg Size Parental Investment Trivers-Willard model Extra-pair Paternity Maternal Effects

DOI：

doi:10.5061/dryad.pt384

摘要：

in good condition should produce daughters. We tested this hypothesis in the collared flycatcher (Ficedula albicollis) by cross-fostering eggs among nes