Peacock feathers, attractive to hens, terrifying to enemies, a marvel of natural and sexual selection in combinationhttps://twitter.com/imgur/status/706907435693281281 …
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Replying to @DIA_operative
Worth noting, this poses some problem to the RibbonFarm theory of costly sexual selection as a risk-benefit analysis of male vulnerability.
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Replying to @DIA_operative
@DIA_operative have to explain 1) sexual dimorphism and b) lack of predators in EEAs of most sexually dimorphic birds of paradise
2:45 PM - 7 Mar 2016
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