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Sexual Selection: Stalk-Eyed Flies

Sexual Selection: Stalk-Eyed Flies
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Description: These flies cluster on aerial roots to mate. Females prefer males with the longest eyestalks, a trait that provides no obvious survival advantage other than sexual attractiveness. This males very long eyestalks have captured the interest of the three females below.
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Height: 1500 Width: 1046
Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48493
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