Offspring sex ratio produced by female guppies in the wild correlates with sexual ornaments of their sons

Female Control of Offspring Sex Ratios Based on Male Attractiveness in the Guppy

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Male-Biased Sex of Extra Pair Young in the Socially Monogamous Red-Backed ShrikeLanius collurio

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Male-Biased Sex Ratios in Offspring of Attractive Males in the Guppy

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Extra-pair young in house wren broods are more likely to be male than female

(2009) L. S. Johnson et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Colorful male guppies do not provide females with fecundity benefits

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Inter-population variation in multiple paternity and reproductive skew in the guppy

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