Who how what decided what feathers will be red and what feathers will be blue and what feathers will be green?
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Over time, the birds that are born with genetic mutations of colour are awarded with more sex. They have colourful babies, and on it goes.
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Replying to @honeyandabee
Wow.

Mar 9, 2021 · 4:10 AM UTC

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Replying to @marwilliamson @honeyandabee
Males are often more colorful because they compete for female attention and therefore experience evolutionary sexual selection pressure. Darwin wrote about females having the dominant role in sexual selection in dimorphic species.
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