Darwin that the Argus pheasant was even more impressive than the peacock. He spent 6 pages in 'Descent of Man' analyzing the 'ball and socket' 3d optical illusions that evolved on its plumage -- purely to stun the depth perception systems of potential female mates. https://twitter.com/41Strange/status/1153718485668847616 …
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Replying to @primalpoly
So you're saying females have no depth perception?pic.twitter.com/cx46WDjNUm
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Replying to @PrometheusAM
Aktually the females have such good depth perception that they've turned males into a wonderland of depth illusions as the heart of their sexual foreplay.
6:11 PM - 23 Jul 2019
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