If there was a contest for biggest female bullies of the animal world, lemurs would be near the top of the list. In these distant primate cousins, it’s the ladies who call the shots, relying on ...

Brain mapping suggests that oxytocin played a role; research could shed light on how hormones influence behavior in humans and other animals. DURHAM, N.C. -- If there was a contest for biggest female ...

Not all lemur societies are built about female rule, however. In one branch of the lemur family tree, some species have evolved, within the last million years, to have a more harmonious relationship ...