Attraction And Honest Signals
• Evolutionary psychologists and biologists have theorized that certain traits have evolved in various species as "signaling mechanisms"
• To be RELIABLE, a trait must be both easy to see, but difficult to have or demonstrate
• For instance, the gigantic feathers on a male peacock's tail require not only physical health, lack of disease, and good genes... but they also require strength and cunning to escape from predators - those tail feathers are a HUGE disadvantage when trying to get away
• Another example are the giant antlers that some deer and moose species carry.,, these structures require massive amounts of nutrient-rich food, and they aren't exactly easy to carry around
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