@KevinSimler @adamdangelo both because handicaps are honest signals and they reduce the costs of mate selection
-
-
Replying to @sarahdoingthing
@KevinSimler@adamdangelo how else would you signal fitness? nature is cruel & horrible2 replies 0 retweets 2 likes -
Replying to @sarahdoingthing
@sarahdoingthing@adamdangelo Facial symmetry is a signal of a strong immune system(?), but isn't costly to carry around. Just hard to fake.1 reply 0 retweets 1 like -
Replying to @KevinSimler
@KevinSimler@adamdangelo yup see previous link - it's possible but not universal, as in human economic systems2 replies 0 retweets 0 likes -
Replying to @sarahdoingthing
@sarahdoingthing@adamdangelo So...do straight up "make life harder (for males)"-type handicaps exist? Or only liar-prevention handicaps?2 replies 0 retweets 1 like -
Replying to @KevinSimler
@sarahdoingthing@adamdangelo (Forgive me if I'm still not getting it.)1 reply 0 retweets 0 likes -
Replying to @KevinSimler
@KevinSimler think of testosterone - reduces lifespan, but improves mating chances. How much is "handicap"? Context matters...1 reply 0 retweets 1 like -
Replying to @sarahdoingthing
@sarahdoingthing Testosterone wouldn't be the kind of handicap I'm curious about. It has clear benefits for intra-sexual competition.2 replies 0 retweets 1 like -
Replying to @KevinSimler
@KevinSimler what makes intra-sexual competition by combat different from competition by cool feathers?1 reply 0 retweets 2 likes -
Replying to @sarahdoingthing
@sarahdoingthing One reason feathers can be sexy is when they demonstrate (e.g.) low parasite load. Another reason (I'm wondering about) is1 reply 0 retweets 0 likes
@sarahdoingthing when they're simply unwieldy, making it harder to fly, stay hidden, evade predators, etc.
-
-
Replying to @KevinSimler
@sarahdoingthing Surviving with unwieldy feathers is an honest signal of strength, speed, etc. Should that make it sexy to peahens?2 replies 0 retweets 2 likes - 5 more replies
New conversation -
-
-
Replying to @KevinSimler
@KevinSimler@sarahdoingthing I get that's the issue. But why rule out a cozy ecological niche?0 replies 0 retweets 0 likesThanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.