The Bird With Three Male Types: Scientists Discover Super Enzyme That Breaks Down Testosterone https://scitechdaily.com/the-crazy-bird-with-three-male-types-scientists-discover-super-enzyme-that-breaks-down-testosterone/

A single gene orchestrates #androgen variation underlying male mating morphs in ruffs https://www.science.org/doi/10.1126/science.adp5936

"There are three types of males that differ from one another in appearance and behavior... For the 'Satellites' and 'Faeders', whose strategies aren’t based on aggressive behavior, too much #testosterone is counterproductive."

#Birds #Genetics #Animals

Monday fresh ink!!!
#Androgen Receptors in the #Dermal #Glands of Male and Female Ouachita Dusky #Salamanders

by Gunelson, Tuong, & Staub

https://doi.org/10.1093/iob/obae001

"The presence of androgens in female development is an important, yet often overlooked, topic..."