Bonobos, more slender, are cooperative, and led by women. At Lola ya Bonobo, an enclave in the Congo, Semendua rules, though she’s not as big as many of the males. If any male challenged her, all the ...

Bonobos, close relatives of chimpanzees that dwell along the Congo River in Central Africa, are a notable exception to the idea that nature is inherently “red in tooth and claw.” They are highly ...