When researchers played underwater recordings of pushy males, females that were capable of becoming pregnant swam away from ...
A new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females—not just through mating choice behaviors, but also through ...
In mammals, female dominance over males is a rare phenomenon. However, recent findings indicate that even in species with sexual dimorphism biased towards males, females sometimes occupy high status.
For decades, birdsong research focused almost exclusively on males. In many species, however, females also sing. Now a study by researchers from the University of Vienna and Anglia Ruskin University ...
"Hippie" bonobos are just as aggressive as "warrior" chimpanzees, according to a new study. However, the findings also reveal some key details about which sex is instigating the aggression. Bonobo ...
Human men are typically more aggressive than human women, a finding supported by reams of research. But surveys of 4,136 individuals in 24 countries reveal an exception to the trend: aggression in ...
When it comes to competition and conflict, men seem to get the lion’s share of the credit. In Darwin’s 1871 landmark publication on sex differences, he focused on male-male competition for mates and ...