But what about females? Within-females, facial redness gets more marked around ovulation. What about differences between females? We previously showed that females redness is moderately heritable & that females with redder faces have more offspring (3/
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5,721 followers
@Graham_Coop Hm. Not sure If this is what you’re asking, but here’s the data from our longterm population study of male rhesus macaque face color. Annual fecundity over decades by redness (low value= dark redder) interacting with social rank (low value= hi
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@brown_birds @cenewman0 Not changing over time, but selection gradients show that darker red faced male rhesus have higher reproductive success over time (not just female trait preference, which we've also shown in other papers). https://t.co/9McfXnafnR
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We've used the extensive Cayo Santiago pedigree data to show that the trait is both heritable & under selection https://t.co/lEHcyxTjVH