Petrichor ᚄᚔᚅᚐᚁᚆᚃᚒᚔᚂAug 14, 2025
Interesting study of trans birds https://www.science.org/content/article/sex-reversal-surprisingly-common-birds-new-study-suggests - I wonder is this something that is happening *currently* because of environmental effects, or if it's the norm historically #SexReversal #Birds
SydneyJimAug 14, 2025

#Transsexual Aussie birds: Scientists discover #SexReversal in kookaburras and lorikeets https://www.theguardian.com/environment/2025/aug/14/sex-reversal-australian-birds-kookaburras-lorikeets https://www.theguardian.com/environment/2025/aug/14/sex-reversal-australian-birds-kookaburras-lorikeets?CMP=oth_b-aplnews_d-3

They don’t have to go & get certified, documented or change their sex status on any forms! 😝

#TransBirds #Trans #Wildlife #Australia #Nature

‘Mind-blown’: scientists discover sex reversal in kookaburras and lorikeets with cause unknown

Almost all of the ‘sex discordant’ birds were genetically female but had male reproductive organs, study finds

The Guardian
Show threadMathiasTCK.bsky.socialApr 29, 2025
#SexReversal en.wikipedia.org/wiki/Sex_rev... "Sex reversal is a biological process whereby the pathway directed towards the already #DeterminedSex fate is flipped towards the opposite sex, creating a discordance between the primary sex fate and the #SexPhenotype expressed."

Sex reversal - Wikipedia
Bluesky

Bluesky Social
preLightsMay 10, 2023

Small but mighty!

miRNA cluster miR-17-92 knock out results in complete testis to ovary #SexReversal.

#preLightsAmbassador Martin Estermann highlights work from Alicia Hurtado and team in which a novel role for #microRNAs is uncovered. #preprint

https://prelights.biologists.com/highlights/complete-male-to-female-sex-reversal-in-xy-mice-lacking-the-mir-17%e2%88%bc92-cluster/