By Ryan Truscott Anthropologist Maud Mouginot recalls an encounter with bonobos early one morning in 2019 deep in the forests of the Democratic Republic of Congo that helped revise her impression of them as the peace-loving “hippy apes.” It was still pitch dark in Kokolopori Bonobo Reserve, in the center of the country, and she and colleagues were on the trail of one of three resident bonobo groups. Suddenly the calm was shattered by shrieks as one bonobo chased another from the same group in an act of wild aggression. “You can feel the violence,” she recalls. “One is really unhappy, it’s scre…