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The model shows that this learning process can lead to the evolution of diverse male traits, such as the long and elaborate tail of the peacock or the crop-circle patterns made by the Japanese puffer fish. These traits may not directly benefit survival, but they signal to females that the males have good genes or high fitness.
In a hypothetical example illustrated in the study, an experienced female prefers males with redder plumage, so she chooses to mate with male number three. An inexperienced female observer thinks that male number three's long tail makes him more attractive than his peers. She then seeks a mate with a long tail, regardless of his color.
But when females chose a more distinctive male, this caused the rare trait to become more common and, subsequently, less attractive. For example, if some females preferred long-tailed males, then long tails would increase in frequency until they were no longer rare or distinctive.
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Source: IntEngineering - 🏆 287. / 63 Read more »
Source: IntEngineering - 🏆 287. / 63 Read more »
Source: IntEngineering - 🏆 287. / 63 Read more »
Source: IntEngineering - 🏆 287. / 63 Read more »
Source: IntEngineering - 🏆 287. / 63 Read more »
Source: IntEngineering - 🏆 287. / 63 Read more »