At 5 a.m., I crouch with the trackers beneath the trees as the bonobos wake, stretch and eat leaves and fruits growing next to their nests—breakfast in bed, bonobo-style. A female swings to the ...

In contrast, bonobo society is marked by the strong bonds ... the chimps had to share their niche with gorillas, which eat the fiber foods. The chimps have to compete for fruit, and occasionally ...