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Rory Sutherland | An Hour Surveying The Worldview
Curious Worldview Podcast
Show Off Your Fitness: The Costly Signal
The concept of sexual selection reveals that certain traits, like a peacock's tail, serve primarily as costly signals to attract mates rather than for survival. This tail acts as a demonstration of fitness, showcasing an individual's ability to thrive despite the high cost of maintaining such a feature. Essentially, the existence of these extravagant traits indicates an individual's surplus resources and capability to engage in behaviors that are difficult for others to replicate. In this way, both animals and humans engage in costly signaling, where displays of status are inherently linked to their underlying fitness and authenticity, making such traits hard to fake.
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