@adamdangelo @KevinSimler so not at all the case that benefits are only on daughters - males get a mating benefit
-
-
Replying to @sarahdoingthing
@sarahdoingthing@adamdangelo Yes, males benefit from runaway. Females benefits from honest signals. But who benefits from *handicaps*?2 replies 0 retweets 1 like -
Replying to @KevinSimler
@KevinSimler@adamdangelo both because handicaps are honest signals and they reduce the costs of mate selection1 reply 0 retweets 1 like -
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
@KevinSimler what makes intra-sexual competition by combat different from competition by cool feathers?
-
-
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 -
Replying to @KevinSimler
@sarahdoingthing when they're simply unwieldy, making it harder to fly, stay hidden, evade predators, etc.2 replies 0 retweets 1 like - 6 more replies
New conversation -
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.