@KevinSimler I think you can view the tail as a signal that is hard to fake more than expensive. It carries information beyond the handicap.
@KevinSimler think of testosterone - reduces lifespan, but improves mating chances. How much is "handicap"? Context matters...
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@sarahdoingthing Testosterone wouldn't be the kind of handicap I'm curious about. It has clear benefits for intra-sexual competition. -
@KevinSimler what makes intra-sexual competition by combat different from competition by cool feathers? - 8 more replies
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