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  • negative correlation between decibel levels and endowment

    From JAB@21:1/5 to All on Tue Sep 5 20:22:53 2023
    XPost: sci.misc

    Howler monkeys are one of the loudest land animals on Earth, capable
    of volumes of 140 decibels, and can be heard from about 3 miles (4.8 kilometers) away. Male howler monkeys often use this ability to signal
    their fitness to potential partners

    HOWEVER

    Researchers at Cambridge University have discovered an intriguing
    link, the louder the calls, the smaller the reproductive anatomy

    A negative correlation between decibel levels and endowment

    https://twitter.com/gunsnrosesgirl3/status/1699048309061537819

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  • From Eli the Bearded@21:1/5 to here@is.invalid on Wed Sep 6 22:09:37 2023
    XPost: sci.misc

    In misc.news.internet.discuss, JAB <here@is.invalid> wrote:
    Researchers at Cambridge University have discovered an intriguing
    link, the louder the calls, the smaller the reproductive anatomy

    A negative correlation between decibel levels and endowment

    https://twitter.com/gunsnrosesgirl3/status/1699048309061537819

    Maybe dick size doesn't always correlate with "reproductive fitness"?
    I've seen well argued essays that dick size does correlate with
    monogamy, at least on a species level. The more likely a female is to
    have multiple partners, the advantage to getting semen close to the
    ovaries on initial deposit. This makes it harder for a subsequent
    encounter to remove the previsously deposited semen and gives a head
    start for the new.

    Silverback gorillas are the largest primates, but have very small
    genitals. Monogamy is well enforced via physical strength among those
    primates.

    Human genitals seem designed for reproductive fitness in the face of
    multiple sexual partners in a short period of time. Penis and ejaculate
    volume are large relative body size in primates. The shape of the glans
    seems designed to remove semen of competition.

    Howler monkey decibel levels could be about scaring off potential
    competiton as much as attracting mates.

    Elijah
    ------
    loudness for intimidation is well known

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  • From JAB@21:1/5 to *@eli.users.panix.com on Wed Sep 6 18:40:33 2023
    XPost: sci.misc

    On Wed, 6 Sep 2023 22:09:37 -0000 (UTC), Eli the Bearded <*@eli.users.panix.com> wrote:

    The shape of the glans seems designed
    to remove semen of competition.

    Protective role of the glans penis during coitus
    ...
    ...
    The glans penis restricts the increase in ICP [ntracavernosal
    pressure] during sexual intercourse, playing a protective role for
    both the corpora cavernosa and the female genitalia.

    https://www.nature.com/articles/3901039

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