Mastodawn

#sexualconflict in action: #bonobo males successful in tracking female probability of conception despite their extended sexual swellings being confusing in relation to #ovulation

https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3003503

Male bonobo mating strategies target female fertile windows despite noisy ovulatory signals during sexual swelling

Fertility signals such as anogenital swelling in primates, are assumed to play a key role in the evolution of intersexual dynamics. This study in bonobos shows that, despite noisy female fertility signals, males adjust their mating effort to cover ovulatory windows, challenging the social function of these signals.

Radical Anthropology Aug 3, 2025

A nice account of primatologists focused on #female strategies: Sarah #Hrdy and Amy #Parish, stretching from 70s to 90s to today (this is not new! And leaves out Kristen Hawkes).

Sarah ought to be a household name in human origins research. She has led the gender rethink.

#human #evolution #primatology #sexualconflict #infanticide

https://english.elpais.com/science-tech/2025-08-02/darwinist-feminism-dismantling-the-myth-of-female-sexual-passivity.html?ssm=bsky_CC

Darwinist feminism: Dismantling the myth of female sexual passivity

The arrival of researchers like Sarah Blaffer Hrdy and Amy Parish transformed not only the study of primates, but also our understanding of evolution, sexuality and gender roles in general

EL PAÍS English

Radical Anthropology Apr 17, 2025

Off to observe sexual conflict in Battersea Park. Tsk tsk, mallards 🦆 and mandarins NOT woke!

Ooh, 😯 territorial conflict going on between rose-ringed parakeets and a Greater spotted woodpecker, over a well defensible hole in the bole of a giant plane tree. The woodpecker held out!

#sexualconflict #birds #matingsystems

Simona Kralj-Fišer Sep 18, 2023

Unraveling secrets of #sexualconflict: We highlight the role of genetic vs maternal effects in shaping female vs male body sizes. 🕷️📐

#SexualDimorphism #EvolutionaryGenetics #openaccess

https://onlinelibrary.wiley.com/doi/10.1111/jeb.14217

Phys.org Mar 3, 2023

Referenced link: https://phys.org/news/2023-03-good-genes-bad-sexual-conflict.html
Discuss on https://discu.eu/q/https://phys.org/news/2023-03-good-genes-bad-sexual-conflict.html

Originally posted by Phys.org / @physorg_com: http://nitter.platypush.tech/physorg_com/status/1631669912438464513#m

When 'good genes' go bad: How #sexualconflict can cause population collapse @imperialspark @PNASNews https://pnas.org/doi/10.1073/pnas.2211668120 https://phys.org/news/2023-03-good-genes-bad-sexual-conflict.html

When 'good genes' go bad: How sexual conflict can cause population collapse

Males of a species evolving traits for sexual conflict can cause problems for females, and, ultimately, the whole population.

Phys.org

Hanna Kokko Dec 22, 2022

Many cool stories in Runa Ekrem's PhD. Most will revolve around a marine #insect #Clunio marinus - the first one reaching publication status does not. Still, the theme is a related one: how do males and females (moths? butterflies?) time their lives when neither lives very long, and the environment is seasonal? Naturally selected #phenology conflicts with sexual #selection, and if your intuition tells you that #SexualConflict and unmatedness play a role too, you're right! https://academic.oup.com/evolut/advance-article/doi/10.1093/evolut/qpac054/6896158

Sexual conflict over phenological traits: Selection for protandry can lock populations into temporally mismatched reproduction

Abstract. In seasonal environments, competition among males can drive males to emerge before females. Females, simultaneously, should avoid emerging at times af

OUP Academic

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Simona Kralj-Fišer Dec 3, 2022

Quantitative genetic model estimates indicated that size variation in females is to a larger extent explained by direct genetic effects than by #MaternalEffects, but in males to a larger extent by maternal than by genetic effects. These results support the hypothesis that #SexualConflict can be resolved, and #SexualSizeDimorphism maintained while allowing for current sex-specific evolution through sex-specific trait architecture. 2/3
https://www.biorxiv.org/content/10.1101/2022.11.30.518524v1

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Radical Anthropology Nov 15, 2022

In the three decades since its publication, the #sexstrike model has been developed and tested by Knight's colleagues #IanWatts and #CamillaPower (researchers with @RadicalAnthro )

Ian has switched the focus in Knight's original book from Europe in the Ice Age to recognise that #symbolism arose with our speciation in #Africa. He has documented the record of #redochre use through the Southern African #MiddleStoneAge as the residue of ritual bodypaint traditions.

Camilla has brought evolutionary theory of #sexualconflict signalling and communication to the model, which is now usually called #FemaleCosmeticCoalitions theory. AFAIK, there is no other evolutionary account of what all the blood red pigment is doing there.

Here is a useful wiki on Female Cosmetic Coalitions/Sex Strike with recent references and predictions from the model.

#redochre #MiddleStoneAge #sexstrike #femalecosmeticcoalitions

https://en.m.wikipedia.org/wiki/Female_cosmetic_coalitions

Female cosmetic coalitions - Wikipedia

Sandra R. Schachat 🐛🪰🌳🐞🐜Nov 6, 2022

Welp apparently I was supposed to do this with hashtags? Here we go again, new #Introduction (I'll include more information this time)...

I'm Sandra. Nearly all of my work is #entomology -centric, often through the lens of #paleontology. I've also spent an inordinate amount of time thinking about #ColorPattern, particularly on the #wings of #Lepidoptera. I'm now focused primarily on #SexualConflict / #SexualAntagonism, particularly in #Diptera such as (you guessed it) #Drosophila.

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Susan Johnston Nov 4, 2022

#introduction

I am Susan & I study how evolutionary trade-offs affect genetic variation in wild and domesticated species. I am a middling-at-best quantitative geneticist who has made a career off of using obscure 1990s linkage mapping softwares and running the odd GWAS.

I head a research group in Edinburgh. We are interested in #recombination #meiosis #chromosomes #sexualconflict #immunity and have worked on 🐏🦌🐦🐟🐖🐂🦄 in 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇫🇮🇳🇴.

Excited to join this new (old) community