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Owls can make you go faster (and more quietly)

Wind turbines are pretty different to wheels. As for translating into less energy loss, I'm skeptical, especially when you read this:

Streamwise-oriented 'finlets' are installed on a wing or blade trailing-edge to reduce trailing-edge noise by up to 10dB without substantial changes to the aerodynamic performance and over a range of angles of attack

aerodynamic loses are bad, would need to see a lot more info on this but it seems unlikely for bikes based on this article.