Beauty is ova-rated

Rachel Smyly

Nature, 2000, vol. 404, issue 6773, 31-31

Abstract: Female mallards find some males more attractive than others. If they mate with 'preferred' males, female ducks seem to produce more surviving offspring. It appears that this may occur not because the attractive males have better genes, but because the females invest more in their offspring, producing bigger eggs than if they had mated with less attractive males.

Date: 2000
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DOI: 10.1038/35003685

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